CINXE.COM
Леща (оптика) – Уикипедия
<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available" lang="bg" dir="ltr"> <head> <meta charset="UTF-8"> <title>Леща (оптика) – Уикипедия</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )bgwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","януари","февруари","март","април","май","юни","юли","август","септември","октомври","ноември","декември"],"wgRequestId":"ada77789-94ee-44ca-a15e-0c4f2aded82d","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Леща_(оптика)","wgTitle":"Леща (оптика)","wgCurRevisionId":11590098,"wgRevisionId":11590098,"wgArticleId":126896,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Лещи"],"wgPageViewLanguage":"bg","wgPageContentLanguage":"bg","wgPageContentModel":"wikitext","wgRelevantPageName":"Леща_(оптика)","wgRelevantArticleId":126896,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick": true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"bg","pageLanguageDir":"ltr","pageVariantFallbacks":"bg"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":6000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q768575","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.gadget.WatchlistTopSectionWidgetFix":"ready","ext.globalCssJs.user.styles":"ready", "site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","ext.math.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.QRpediaFix","ext.gadget.EditToolbar","ext.gadget.EditToolbar-menu-page_elements","ext.gadget.EditToolbar-menu-thematic_templates","ext.gadget.EditToolbar-menu-article_templates","ext.gadget.EditToolbar-menu-talk_templates","ext.gadget.EditToolbar-menu-other_templates","ext.gadget.OpenStreetMap","ext.gadget.Switcher","ext.gadget.ParsePhabLinks", "ext.gadget.Mwbot","ext.gadget.UploadRedirectToCommons","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=bg&modules=ext.cite.styles%7Cext.math.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=bg&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=bg&modules=ext.gadget.WatchlistTopSectionWidgetFix&only=styles&skin=vector-2022"> <link rel="stylesheet" href="/w/load.php?lang=bg&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/d/d8/BiconvexLens.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="982"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/d/d8/BiconvexLens.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="655"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="524"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Леща (оптика) – Уикипедия"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//bg.m.wikipedia.org/wiki/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)"> <link rel="alternate" type="application/x-wiki" title="Редактиране" href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Уикипедия (bg)"> <link rel="EditURI" type="application/rsd+xml" href="//bg.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://bg.wikipedia.org/wiki/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.bg"> <link rel="alternate" type="application/atom+xml" title="Емисия на Atom за Уикипедия" href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9F%D0%BE%D1%81%D0%BB%D0%B5%D0%B4%D0%BD%D0%B8_%D0%BF%D1%80%D0%BE%D0%BC%D0%B5%D0%BD%D0%B8&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Леща_оптика rootpage-Леща_оптика skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Направо към съдържанието</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Сайт"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Главно меню" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Главно меню</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Главно меню</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">скриване</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Навигация </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/%D0%9D%D0%B0%D1%87%D0%B0%D0%BB%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0" title="Началната страница [z]" accesskey="z"><span>Начална страница</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D0%BB%D1%83%D1%87%D0%B0%D0%B9%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0" title="Зареждане на случайна страница [x]" accesskey="x"><span>Случайна статия</span></a></li> </ul> </div> </div> <div id="p-Полезно" class="vector-menu mw-portlet mw-portlet-Полезно" > <div class="vector-menu-heading"> Полезно </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-recentchanges" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9F%D0%BE%D1%81%D0%BB%D0%B5%D0%B4%D0%BD%D0%B8_%D0%BF%D1%80%D0%BE%D0%BC%D0%B5%D0%BD%D0%B8" title="Списък на последните промени в уикито [r]" accesskey="r"><span>Последни промени</span></a></li><li id="n-Общи-разговори" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A0%D0%B0%D0%B7%D0%B3%D0%BE%D0%B2%D0%BE%D1%80%D0%B8"><span>Общи разговори</span></a></li><li id="n-Обсъждани-статии" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%90%D0%BA%D1%82%D0%B8%D0%B2%D0%BD%D0%B8_%D0%B1%D0%B5%D1%81%D0%B5%D0%B4%D0%B8"><span>Обсъждани статии</span></a></li><li id="n-Администратори" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%97%D0%B0%D1%8F%D0%B2%D0%BA%D0%B8_%D0%BA%D1%8A%D0%BC_%D0%B0%D0%B4%D0%BC%D0%B8%D0%BD%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%82%D0%BE%D1%80%D0%B8%D1%82%D0%B5"><span>Администратори</span></a></li><li id="n-Изтривания" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A1%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B8_%D0%B7%D0%B0_%D0%B8%D0%B7%D1%82%D1%80%D0%B8%D0%B2%D0%B0%D0%BD%D0%B5"><span>Изтривания</span></a></li><li id="n-За-контакти" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%97%D0%B0_%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B8"><span>За контакти</span></a></li> </ul> </div> </div> <div id="p-Включете_се!" class="vector-menu mw-portlet mw-portlet-Включете_се" > <div class="vector-menu-heading"> Включете се! </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-Защо?" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9A%D0%BE%D0%B9_%D1%81%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0_%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F"><span>Защо?</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9F%D1%8A%D1%80%D0%B2%D0%B8_%D1%81%D1%82%D1%8A%D0%BF%D0%BA%D0%B8" title="Място, където може да се информирате"><span>Помощ</span></a></li><li id="n-Картинки" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:10_%D0%BD%D0%B5%D1%89%D0%B0,_%D0%BA%D0%BE%D0%B8%D1%82%D0%BE_%D1%82%D1%80%D1%8F%D0%B1%D0%B2%D0%B0_%D0%B4%D0%B0_%D1%81%D0%B5_%D0%B7%D0%BD%D0%B0%D1%8F%D1%82_%D0%B7%D0%B0_%D0%BA%D0%B0%D1%80%D1%82%D0%B8%D0%BD%D0%BA%D0%B8%D1%82%D0%B5_%D0%B2_%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F"><span>Картинки</span></a></li><li id="n-Поведение" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9F%D0%BE%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5"><span>Поведение</span></a></li><li id="n-Изпробване" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9F%D1%8F%D1%81%D1%8A%D1%87%D0%BD%D0%B8%D0%BA"><span>Изпробване</span></a></li><li id="n-Нова-статия" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%92%D1%8A%D0%BB%D1%88%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA"><span>Нова статия</span></a></li> </ul> </div> </div> <div id="p-Общувайте" class="vector-menu mw-portlet mw-portlet-Общувайте" > <div class="vector-menu-heading"> Общувайте </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-Блог-на-общността" class="mw-list-item"><a href="https://blog.wikimedia.bg/" rel="nofollow"><span>Блог на общността</span></a></li><li id="n-Фейсбук-страница" class="mw-list-item"><a href="https://www.facebook.com/WikipediaBG" rel="nofollow"><span>Фейсбук страница</span></a></li><li id="n-Фейсбук-група" class="mw-list-item"><a href="https://www.facebook.com/groups/WikipediaBG" rel="nofollow"><span>Фейсбук група</span></a></li><li id="n-🎮-Дискорд" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%94%D0%B8%D1%81%D0%BA%D0%BE%D1%80%D0%B4"><span>🎮 Дискорд</span></a></li><li id="n-Телеграм" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A2%D0%B5%D0%BB%D0%B5%D0%B3%D1%80%D0%B0%D0%BC"><span>Телеграм</span></a></li><li id="n-IRC" class="mw-list-item"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:IRC"><span>IRC</span></a></li><li id="n-GitHub" class="mw-list-item"><a href="https://github.com/wikimedia-bg" rel="nofollow"><span>GitHub</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/%D0%9D%D0%B0%D1%87%D0%B0%D0%BB%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Уикипедия" src="/static/images/mobile/copyright/wikipedia-wordmark-bg.svg" style="width: 7.5em; height: 1.3125em;"> <img class="mw-logo-tagline" alt="Свободната енциклопедия" src="/static/images/mobile/copyright/wikipedia-tagline-bg.svg" width="120" height="12" style="width: 7.5em; height: 0.75em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A2%D1%8A%D1%80%D1%81%D0%B5%D0%BD%D0%B5" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Претърсване на Уикипедия [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Търсене</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Търсене в Уикипедия" aria-label="Търсене в Уикипедия" autocapitalize="sentences" title="Претърсване на Уикипедия [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Специални:Търсене"> </div> <button class="cdx-button cdx-search-input__end-button">Търсене</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Лични инструменти"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Облик"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Облик" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Облик</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg" class=""><span>Направете дарение</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=%D0%9B%D0%B5%D1%89%D0%B0+%28%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0%29" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително." class=""><span>Създаване на сметка</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=%D0%9B%D0%B5%D1%89%D0%B0+%28%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0%29" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o" class=""><span>Влизане</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Допълнителни опции" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Лични инструменти" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Лични инструменти</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Потребителско меню" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg"><span>Направете дарение</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=%D0%9B%D0%B5%D1%89%D0%B0+%28%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0%29" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Създаване на сметка</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=%D0%9B%D0%B5%D1%89%D0%B0+%28%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0%29" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Влизане</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Страници за излезли от системата редактори <a href="/wiki/%D0%9F%D0%BE%D0%BC%D0%BE%D1%89:%D0%92%D1%8A%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5" aria-label="Научете повече за редактирането"><span>научете повече</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D0%B8%D1%82%D0%B5_%D0%BF%D1%80%D0%B8%D0%BD%D0%BE%D1%81%D0%B8" title="Списък на промените, направени от този IP адрес [y]" accesskey="y"><span>Приноси</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D1%8F%D1%82%D0%B0_%D0%B1%D0%B5%D1%81%D0%B5%D0%B4%D0%B0" title="Дискусия относно редакциите от този адрес [n]" accesskey="n"><span>Беседа</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Сайт"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Съдържание" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Съдържание</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">скриване</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Начало</div> </a> </li> <li id="toc-Фокус_и_сила" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Фокус_и_сила"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Фокус и сила</span> </div> </a> <ul id="toc-Фокус_и_сила-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Технология_и_приложение" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Технология_и_приложение"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Технология и приложение</span> </div> </a> <ul id="toc-Технология_и_приложение-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Вижте_също" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Вижте_също"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Вижте също</span> </div> </a> <ul id="toc-Вижте_също-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Източници" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Източници"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Източници</span> </div> </a> <ul id="toc-Източници-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Външни_препратки" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Външни_препратки"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Външни препратки</span> </div> </a> <ul id="toc-Външни_препратки-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Съдържание" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Скриване/показване на съдържанието" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Скриване/показване на съдържанието</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Леща (оптика)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Към статията на друг език. Налична на 97 езика" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-97" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">97 езика</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Lens" title="Lens – африканс" lang="af" hreflang="af" data-title="Lens" data-language-autonym="Afrikaans" data-language-local-name="африканс" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%88%9D%E1%88%B5%E1%88%AE" title="ምስሮ – амхарски" lang="am" hreflang="am" data-title="ምስሮ" data-language-autonym="አማርኛ" data-language-local-name="амхарски" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%AF%D8%B3%D8%A9_(%D8%A8%D8%B5%D8%B1%D9%8A%D8%A7%D8%AA)" title="عدسة (بصريات) – арабски" lang="ar" hreflang="ar" data-title="عدسة (بصريات)" data-language-autonym="العربية" data-language-local-name="арабски" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Lente" title="Lente – астурски" lang="ast" hreflang="ast" data-title="Lente" data-language-autonym="Asturianu" data-language-local-name="астурски" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Linza" title="Linza – азербайджански" lang="az" hreflang="az" data-title="Linza" data-language-autonym="Azərbaycanca" data-language-local-name="азербайджански" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9B%D1%96%D0%BD%D0%B7%D0%B0" title="Лінза – беларуски" lang="be" hreflang="be" data-title="Лінза" data-language-autonym="Беларуская" data-language-local-name="беларуски" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9B%D1%96%D0%BD%D0%B7%D0%B0" title="Лінза – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Лінза" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%B2%E0%A5%87%E0%A4%82%E0%A4%B8" title="लेंस – Bhojpuri" lang="bh" hreflang="bh" data-title="लेंस" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B2%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%B8" title="লেন্স – бенгалски" lang="bn" hreflang="bn" data-title="লেন্স" data-language-autonym="বাংলা" data-language-local-name="бенгалски" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Le%C4%87a_(optika)" title="Leća (optika) – босненски" lang="bs" hreflang="bs" data-title="Leća (optika)" data-language-autonym="Bosanski" data-language-local-name="босненски" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Lent" title="Lent – каталонски" lang="ca" hreflang="ca" data-title="Lent" data-language-autonym="Català" data-language-local-name="каталонски" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%84%DB%8E%D9%86%D8%B2" title="لێنز – кюрдски (централен)" lang="ckb" hreflang="ckb" data-title="لێنز" data-language-autonym="کوردی" data-language-local-name="кюрдски (централен)" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/%C4%8Co%C4%8Dka_(optika)" title="Čočka (optika) – чешки" lang="cs" hreflang="cs" data-title="Čočka (optika)" data-language-autonym="Čeština" data-language-local-name="чешки" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Optisk_linse" title="Optisk linse – датски" lang="da" hreflang="da" data-title="Optisk linse" data-language-autonym="Dansk" data-language-local-name="датски" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Linse_(Optik)" title="Linse (Optik) – немски" lang="de" hreflang="de" data-title="Linse (Optik)" data-language-autonym="Deutsch" data-language-local-name="немски" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Lens_(optik)" title="Lens (optik) – Zazaki" lang="diq" hreflang="diq" data-title="Lens (optik)" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-dsb mw-list-item"><a href="https://dsb.wikipedia.org/wiki/Linsa_(optika)" title="Linsa (optika) – долнолужишки" lang="dsb" hreflang="dsb" data-title="Linsa (optika)" data-language-autonym="Dolnoserbski" data-language-local-name="долнолужишки" class="interlanguage-link-target"><span>Dolnoserbski</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A6%CE%B1%CE%BA%CF%8C%CF%82" title="Φακός – гръцки" lang="el" hreflang="el" data-title="Φακός" data-language-autonym="Ελληνικά" data-language-local-name="гръцки" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Lens" title="Lens – английски" lang="en" hreflang="en" data-title="Lens" data-language-autonym="English" data-language-local-name="английски" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Lenso_(optiko)" title="Lenso (optiko) – есперанто" lang="eo" hreflang="eo" data-title="Lenso (optiko)" data-language-autonym="Esperanto" data-language-local-name="есперанто" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Lente" title="Lente – испански" lang="es" hreflang="es" data-title="Lente" data-language-autonym="Español" data-language-local-name="испански" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/L%C3%A4%C3%A4ts" title="Lääts – естонски" lang="et" hreflang="et" data-title="Lääts" data-language-autonym="Eesti" data-language-local-name="естонски" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Leiar" title="Leiar – баски" lang="eu" hreflang="eu" data-title="Leiar" data-language-autonym="Euskara" data-language-local-name="баски" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B9%D8%AF%D8%B3%DB%8C" title="عدسی – персийски" lang="fa" hreflang="fa" data-title="عدسی" data-language-autonym="فارسی" data-language-local-name="персийски" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Linssi_(optiikka)" title="Linssi (optiikka) – фински" lang="fi" hreflang="fi" data-title="Linssi (optiikka)" data-language-autonym="Suomi" data-language-local-name="фински" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Lentille_optique" title="Lentille optique – френски" lang="fr" hreflang="fr" data-title="Lentille optique" data-language-autonym="Français" data-language-local-name="френски" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Lins_(Optik)" title="Lins (Optik) – северен фризийски" lang="frr" hreflang="frr" data-title="Lins (Optik)" data-language-autonym="Nordfriisk" data-language-local-name="северен фризийски" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Lins_(optyk)" title="Lins (optyk) – западнофризийски" lang="fy" hreflang="fy" data-title="Lins (optyk)" data-language-autonym="Frysk" data-language-local-name="западнофризийски" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Lionsa_(optaic)" title="Lionsa (optaic) – ирландски" lang="ga" hreflang="ga" data-title="Lionsa (optaic)" data-language-autonym="Gaeilge" data-language-local-name="ирландски" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E9%80%8F%E9%8F%A1" title="透鏡 – Gan" lang="gan" hreflang="gan" data-title="透鏡" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Lanti_optik" title="Lanti optik – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Lanti optik" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Lente_(%C3%B3ptica)" title="Lente (óptica) – галисийски" lang="gl" hreflang="gl" data-title="Lente (óptica)" data-language-autonym="Galego" data-language-local-name="галисийски" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A2%D7%93%D7%A9%D7%94" title="עדשה – иврит" lang="he" hreflang="he" data-title="עדשה" data-language-autonym="עברית" data-language-local-name="иврит" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B2%E0%A5%87%E0%A4%82%E0%A4%B8" title="लेंस – хинди" lang="hi" hreflang="hi" data-title="लेंस" data-language-autonym="हिन्दी" data-language-local-name="хинди" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Le%C4%87a_(optika)" title="Leća (optika) – хърватски" lang="hr" hreflang="hr" data-title="Leća (optika)" data-language-autonym="Hrvatski" data-language-local-name="хърватски" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/%C4%8C%C3%B3%C4%8Dka_(optika)" title="Čóčka (optika) – горнолужишки" lang="hsb" hreflang="hsb" data-title="Čóčka (optika)" data-language-autonym="Hornjoserbsce" data-language-local-name="горнолужишки" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Lantiy" title="Lantiy – хаитянски креолски" lang="ht" hreflang="ht" data-title="Lantiy" data-language-autonym="Kreyòl ayisyen" data-language-local-name="хаитянски креолски" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Optikai_lencse" title="Optikai lencse – унгарски" lang="hu" hreflang="hu" data-title="Optikai lencse" data-language-autonym="Magyar" data-language-local-name="унгарски" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%88%D5%BD%D5%BA%D5%B6%D5%B5%D5%A1%D5%AF%D5%B6%D5%A5%D6%80" title="Ոսպնյակներ – арменски" lang="hy" hreflang="hy" data-title="Ոսպնյակներ" data-language-autonym="Հայերեն" data-language-local-name="арменски" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lensa" title="Lensa – индонезийски" lang="id" hreflang="id" data-title="Lensa" data-language-autonym="Bahasa Indonesia" data-language-local-name="индонезийски" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Lenso" title="Lenso – идо" lang="io" hreflang="io" data-title="Lenso" data-language-autonym="Ido" data-language-local-name="идо" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Linsa" title="Linsa – исландски" lang="is" hreflang="is" data-title="Linsa" data-language-autonym="Íslenska" data-language-local-name="исландски" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Lente" title="Lente – италиански" lang="it" hreflang="it" data-title="Lente" data-language-autonym="Italiano" data-language-local-name="италиански" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AC%E3%83%B3%E3%82%BA" title="レンズ – японски" lang="ja" hreflang="ja" data-title="レンズ" data-language-autonym="日本語" data-language-local-name="японски" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Lenz" title="Lenz – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Lenz" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/L%C3%A8nsa" title="Lènsa – явански" lang="jv" hreflang="jv" data-title="Lènsa" data-language-autonym="Jawa" data-language-local-name="явански" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BD%D0%B7%D0%B0" title="Линза – казахски" lang="kk" hreflang="kk" data-title="Линза" data-language-autonym="Қазақша" data-language-local-name="казахски" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%A0%8C%EC%A6%88" title="렌즈 – корейски" lang="ko" hreflang="ko" data-title="렌즈" data-language-autonym="한국어" data-language-local-name="корейски" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BD%D0%B7%D0%B0" title="Линза – киргизки" lang="ky" hreflang="ky" data-title="Линза" data-language-autonym="Кыргызча" data-language-local-name="киргизки" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Lenta_(ottica)" title="Lenta (ottica) – ломбардски" lang="lmo" hreflang="lmo" data-title="Lenta (ottica)" data-language-autonym="Lombard" data-language-local-name="ломбардски" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/L%C4%99%C5%A1is_(optika)" title="Lęšis (optika) – литовски" lang="lt" hreflang="lt" data-title="Lęšis (optika)" data-language-autonym="Lietuvių" data-language-local-name="литовски" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/L%C4%93ca" title="Lēca – латвийски" lang="lv" hreflang="lv" data-title="Lēca" data-language-autonym="Latviešu" data-language-local-name="латвийски" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9B%D0%B5%D1%9C%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)" title="Леќа (оптика) – македонски" lang="mk" hreflang="mk" data-title="Леќа (оптика)" data-language-autonym="Македонски" data-language-local-name="македонски" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B2%E0%B5%86%E0%B5%BB%E0%B4%B8%E0%B5%8D" title="ലെൻസ് – малаялам" lang="ml" hreflang="ml" data-title="ലെൻസ്" data-language-autonym="മലയാളം" data-language-local-name="малаялам" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BD%D0%B7" title="Линз – монголски" lang="mn" hreflang="mn" data-title="Линз" data-language-autonym="Монгол" data-language-local-name="монголски" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kanta" title="Kanta – малайски" lang="ms" hreflang="ms" data-title="Kanta" data-language-autonym="Bahasa Melayu" data-language-local-name="малайски" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%95%E0%A4%A8%E0%A5%8D%E0%A4%AD%E0%A5%87%E0%A4%95%E0%A5%8D%E0%A4%B8_%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A5%8D%E0%A4%B8" title="कन्भेक्स लेन्स – непалски" lang="ne" hreflang="ne" data-title="कन्भेक्स लेन्स" data-language-autonym="नेपाली" data-language-local-name="непалски" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Lens_(optica)" title="Lens (optica) – нидерландски" lang="nl" hreflang="nl" data-title="Lens (optica)" data-language-autonym="Nederlands" data-language-local-name="нидерландски" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Optisk_linse" title="Optisk linse – норвежки (нюношк)" lang="nn" hreflang="nn" data-title="Optisk linse" data-language-autonym="Norsk nynorsk" data-language-local-name="норвежки (нюношк)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Optisk_linse" title="Optisk linse – норвежки (букмол)" lang="nb" hreflang="nb" data-title="Optisk linse" data-language-autonym="Norsk bokmål" data-language-local-name="норвежки (букмол)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Doo%27innee" title="Doo'innee – оромо" lang="om" hreflang="om" data-title="Doo'innee" data-language-autonym="Oromoo" data-language-local-name="оромо" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B2%E0%A9%88%E0%A9%B1%E0%A8%A8%E0%A8%9C%E0%A8%BC" title="ਲੈੱਨਜ਼ – пенджабски" lang="pa" hreflang="pa" data-title="ਲੈੱਨਜ਼" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="пенджабски" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Soczewka" title="Soczewka – полски" lang="pl" hreflang="pl" data-title="Soczewka" data-language-autonym="Polski" data-language-local-name="полски" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Lent" title="Lent – Piedmontese" lang="pms" hreflang="pms" data-title="Lent" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Lente" title="Lente – португалски" lang="pt" hreflang="pt" data-title="Lente" data-language-autonym="Português" data-language-local-name="португалски" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Linti" title="Linti – кечуа" lang="qu" hreflang="qu" data-title="Linti" data-language-autonym="Runa Simi" data-language-local-name="кечуа" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Lentil%C4%83_(optic%C4%83)" title="Lentilă (optică) – румънски" lang="ro" hreflang="ro" data-title="Lentilă (optică)" data-language-autonym="Română" data-language-local-name="румънски" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BD%D0%B7%D0%B0" title="Линза – руски" lang="ru" hreflang="ru" data-title="Линза" data-language-autonym="Русский" data-language-local-name="руски" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Lenti" title="Lenti – сицилиански" lang="scn" hreflang="scn" data-title="Lenti" data-language-autonym="Sicilianu" data-language-local-name="сицилиански" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%A7%D9%BE%D9%BD%D9%8A%D9%84_%D8%A8%D9%84%D9%88%D8%B1" title="اپٽيل بلور – синдхи" lang="sd" hreflang="sd" data-title="اپٽيل بلور" data-language-autonym="سنڌي" data-language-local-name="синдхи" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Le%C4%87a" title="Leća – сърбохърватски" lang="sh" hreflang="sh" data-title="Leća" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="сърбохърватски" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%8F%E0%B6%A0" title="කාච – синхалски" lang="si" hreflang="si" data-title="කාච" data-language-autonym="සිංහල" data-language-local-name="синхалски" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Lens_(optics)" title="Lens (optics) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Lens (optics)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/%C5%A0o%C5%A1ovka_(optika)" title="Šošovka (optika) – словашки" lang="sk" hreflang="sk" data-title="Šošovka (optika)" data-language-autonym="Slovenčina" data-language-local-name="словашки" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Le%C4%8Da_(optika)" title="Leča (optika) – словенски" lang="sl" hreflang="sl" data-title="Leča (optika)" data-language-autonym="Slovenščina" data-language-local-name="словенски" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Thjerra_optike" title="Thjerra optike – албански" lang="sq" hreflang="sq" data-title="Thjerra optike" data-language-autonym="Shqip" data-language-local-name="албански" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A1%D0%BE%D1%87%D0%B8%D0%B2%D0%BE_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)" title="Сочиво (оптика) – сръбски" lang="sr" hreflang="sr" data-title="Сочиво (оптика)" data-language-autonym="Српски / srpski" data-language-local-name="сръбски" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/L%C3%A9nsa" title="Lénsa – сундански" lang="su" hreflang="su" data-title="Lénsa" data-language-autonym="Sunda" data-language-local-name="сундански" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lins" title="Lins – шведски" lang="sv" hreflang="sv" data-title="Lins" data-language-autonym="Svenska" data-language-local-name="шведски" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Lenzi" title="Lenzi – суахили" lang="sw" hreflang="sw" data-title="Lenzi" data-language-autonym="Kiswahili" data-language-local-name="суахили" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%BF%E0%AE%B2%E0%AF%8D%E0%AE%B2%E0%AF%88_(%E0%AE%92%E0%AE%B3%E0%AE%BF%E0%AE%AF%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D)" title="வில்லை (ஒளியியல்) – тамилски" lang="ta" hreflang="ta" data-title="வில்லை (ஒளியியல்)" data-language-autonym="தமிழ்" data-language-local-name="тамилски" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%95%E0%B0%9F%E0%B0%95%E0%B0%AE%E0%B1%81_(%E0%B0%B5%E0%B0%B8%E0%B1%8D%E0%B0%A4%E0%B1%81%E0%B0%B5%E0%B1%81)" title="కటకము (వస్తువు) – телугу" lang="te" hreflang="te" data-title="కటకము (వస్తువు)" data-language-autonym="తెలుగు" data-language-local-name="телугу" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BD%D0%B7%D0%B0" title="Линза – таджикски" lang="tg" hreflang="tg" data-title="Линза" data-language-autonym="Тоҷикӣ" data-language-local-name="таджикски" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A5%E0%B8%99%E0%B8%AA%E0%B9%8C_(%E0%B8%97%E0%B8%B1%E0%B8%A8%E0%B8%99%E0%B8%A8%E0%B8%B2%E0%B8%AA%E0%B8%95%E0%B8%A3%E0%B9%8C)" title="เลนส์ (ทัศนศาสตร์) – тайски" lang="th" hreflang="th" data-title="เลนส์ (ทัศนศาสตร์)" data-language-autonym="ไทย" data-language-local-name="тайски" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Lente_(optika)" title="Lente (optika) – тагалог" lang="tl" hreflang="tl" data-title="Lente (optika)" data-language-autonym="Tagalog" data-language-local-name="тагалог" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Mercek" title="Mercek – турски" lang="tr" hreflang="tr" data-title="Mercek" data-language-autonym="Türkçe" data-language-local-name="турски" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BD%D0%B7%D0%B0" title="Линза – татарски" lang="tt" hreflang="tt" data-title="Линза" data-language-autonym="Татарча / tatarça" data-language-local-name="татарски" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9B%D1%96%D0%BD%D0%B7%D0%B0" title="Лінза – украински" lang="uk" hreflang="uk" data-title="Лінза" data-language-autonym="Українська" data-language-local-name="украински" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B9%D8%AF%D8%B3%DB%81_(%D8%A8%D8%B5%D8%B1%DB%8C%D8%A7%D8%AA)" title="عدسہ (بصریات) – урду" lang="ur" hreflang="ur" data-title="عدسہ (بصریات)" data-language-autonym="اردو" data-language-local-name="урду" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Linza" title="Linza – узбекски" lang="uz" hreflang="uz" data-title="Linza" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="узбекски" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Th%E1%BA%A5u_k%C3%ADnh" title="Thấu kính – виетнамски" lang="vi" hreflang="vi" data-title="Thấu kính" data-language-autonym="Tiếng Việt" data-language-local-name="виетнамски" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Lente" title="Lente – варай" lang="war" hreflang="war" data-title="Lente" data-language-autonym="Winaray" data-language-local-name="варай" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%80%8F%E9%95%9C" title="透镜 – ву китайски" lang="wuu" hreflang="wuu" data-title="透镜" data-language-autonym="吴语" data-language-local-name="ву китайски" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%9C%D7%99%D7%A0%D7%93%D7%96" title="לינדז – идиш" lang="yi" hreflang="yi" data-title="לינדז" data-language-autonym="ייִדיש" data-language-local-name="идиш" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%80%8F%E9%95%9C" title="透镜 – китайски" lang="zh" hreflang="zh" data-title="透镜" data-language-autonym="中文" data-language-local-name="китайски" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Th%C3%A0u-ki%C3%A0%E2%81%BF" title="Thàu-kiàⁿ – Minnan" lang="nan" hreflang="nan" data-title="Thàu-kiàⁿ" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%80%8F%E9%8F%A1" title="透鏡 – кантонски" lang="yue" hreflang="yue" data-title="透鏡" data-language-autonym="粵語" data-language-local-name="кантонски" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q768575#sitelinks-wikipedia" title="Редактиране на междуезиковите препратки" class="wbc-editpage">Редактиране</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Именни пространства"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)" title="Преглед на основната страница [c]" accesskey="c"><span>Статия</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%91%D0%B5%D1%81%D0%B5%D0%B4%D0%B0:%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit&redlink=1" rel="discussion" class="new" title="Беседа за страницата (страницата не съществува) [t]" accesskey="t"><span>Беседа</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Промяна на езиковия вариант" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">български</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Прегледи"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)"><span>Преглед</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&veaction=edit" title="Редактиране на страницата [v]" accesskey="v"><span>Редактиране</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit" title="Редактиране на изходния код на страницата [e]" accesskey="e"><span>Редактиране на кода</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=history" title="Предишни версии на страницата [h]" accesskey="h"><span>История</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Инструменти" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Инструменти</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Инструменти</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">скриване</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Допълнителни опции" > <div class="vector-menu-heading"> Действия </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)"><span>Преглед</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&veaction=edit" title="Редактиране на страницата [v]" accesskey="v"><span>Редактиране</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit" title="Редактиране на изходния код на страницата [e]" accesskey="e"><span>Редактиране на кода</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=history"><span>История</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Основни </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9A%D0%B0%D0%BA%D0%B2%D0%BE_%D1%81%D0%BE%D1%87%D0%B8_%D0%BD%D0%B0%D1%81%D0%B0%D0%BC/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)" title="Списък на всички страници, сочещи насам [j]" accesskey="j"><span>Какво сочи насам</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D0%B2%D1%8A%D1%80%D0%B7%D0%B0%D0%BD%D0%B8_%D0%BF%D1%80%D0%BE%D0%BC%D0%B5%D0%BD%D0%B8/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)" rel="nofollow" title="Последните промени на страници, сочени от тази страница [k]" accesskey="k"><span>Свързани промени</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/MediaWiki:Uploadtext" title="Качи файлове [u]" accesskey="u"><span>Качване на файл</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B8" title="Списък на всички специални страници [q]" accesskey="q"><span>Специални страници</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&oldid=11590098" title="Постоянна препратка към тази версия на страницата"><span>Постоянна препратка</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=info" title="Повече за тази страница"><span>Информация за страницата</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A6%D0%B8%D1%82%D0%B8%D1%80%D0%B0%D0%BD%D0%B5&page=%D0%9B%D0%B5%D1%89%D0%B0_%28%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0%29&id=11590098&wpFormIdentifier=titleform" title="Информация за начините за цитиране на тази страница"><span>Цитиране на статията</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:UrlShortener&url=https%3A%2F%2Fbg.wikipedia.org%2Fwiki%2F%25D0%259B%25D0%25B5%25D1%2589%25D0%25B0_%28%25D0%25BE%25D0%25BF%25D1%2582%25D0%25B8%25D0%25BA%25D0%25B0%29"><span>Кратък URL адрес</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:QrCode&url=https%3A%2F%2Fbg.wikipedia.org%2Fwiki%2F%25D0%259B%25D0%25B5%25D1%2589%25D0%25B0_%28%25D0%25BE%25D0%25BF%25D1%2582%25D0%25B8%25D0%25BA%25D0%25B0%29"><span>Изтегляне на QR код</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Отпечатване/изнасяне </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:Book&bookcmd=book_creator&referer=%D0%9B%D0%B5%D1%89%D0%B0+%28%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0%29"><span>Създаване на книга</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:DownloadAsPdf&page=%D0%9B%D0%B5%D1%89%D0%B0_%28%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0%29&action=show-download-screen"><span>Изтегляне като PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&printable=yes" title="Версия за печат на страницата [p]" accesskey="p"><span>Версия за печат</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> В други проекти </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Lenses" hreflang="en"><span>Общомедия</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q768575" title="Препратка към свързания обект от хранилището за данни [g]" accesskey="g"><span>Обект в Уикиданни</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Облик"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Облик</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">скриване</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">от Уикипедия, свободната енциклопедия</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="bg" dir="ltr"><div class="othermeaning-box"> <dl><dd><span typeof="mw:File"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Disambig.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/22px-Disambig.svg.png" decoding="async" width="22" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/33px-Disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/44px-Disambig.svg.png 2x" data-file-width="230" data-file-height="183" /></a></span> <i>Тази статия е за <b>леща (оптика)</b>.  За растението вижте <a href="/wiki/%D0%9B%D0%B5%D1%89%D0%B0" title="Леща">Леща</a>.  </i></dd></dl> <hr /></div> <figure typeof="mw:File/Thumb"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:BiconvexLens.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/BiconvexLens.jpg/250px-BiconvexLens.jpg" decoding="async" width="250" height="205" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/BiconvexLens.jpg/375px-BiconvexLens.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/d/d8/BiconvexLens.jpg 2x" data-file-width="484" data-file-height="396" /></a><figcaption>Двойноизпъкнала леща</figcaption></figure> <p><b>Лещата</b> е оптичен елемент, който пропуска и пречупва <a href="/wiki/%D0%A1%D0%B2%D0%B5%D1%82%D0%BB%D0%B8%D0%BD%D0%B0" title="Светлина">светлината</a> според законите на <a href="/wiki/%D0%9E%D0%BF%D1%82%D0%B8%D0%BA%D0%B0" title="Оптика">оптиката</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Фокус_и_сила"><span id=".D0.A4.D0.BE.D0.BA.D1.83.D1.81_.D0.B8_.D1.81.D0.B8.D0.BB.D0.B0"></span>Фокус и сила</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&veaction=edit&section=1" title="Редактиране на раздел: Фокус и сила" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit&section=1" title="Edit section's source code: Фокус и сила"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Разстоянието <b>f</b> от центъра на лещата до нейния главен <a href="/wiki/%D0%A4%D0%BE%D0%BA%D1%83%D1%81_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)" title="Фокус (оптика)"><b>фокус</b></a> се нарича <i><a href="/wiki/%D0%A4%D0%BE%D0%BA%D1%83%D1%81%D0%BD%D0%BE_%D1%80%D0%B0%D0%B7%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B8%D0%B5" title="Фокусно разстояние">фокусно разстояние</a></i>. То зависи от съотношението:<sup id="cite_ref-ned_1-0" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\frac {1}{f}}=\left({\frac {n_{2}}{n_{1}}}-1\right)\left({\frac {1}{R_{1}}}-{\frac {1}{R_{2}}}\right)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>f</mi> </mfrac> </mrow> <mo>=</mo> <mrow> <mo>(</mo> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msub> <mi>n</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>n</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mfrac> </mrow> <mo>−<!-- − --></mo> <mn>1</mn> </mrow> <mo>)</mo> </mrow> <mrow> <mo>(</mo> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <msub> <mi>R</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mfrac> </mrow> <mo>−<!-- − --></mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <msub> <mi>R</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mfrac> </mrow> </mrow> <mo>)</mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {1}{f}}=\left({\frac {n_{2}}{n_{1}}}-1\right)\left({\frac {1}{R_{1}}}-{\frac {1}{R_{2}}}\right)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f1e084f83775e3afc5cf0d6cbe6fcf892e43b8d7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:29.88ex; height:6.176ex;" alt="{\displaystyle {\frac {1}{f}}=\left({\frac {n_{2}}{n_{1}}}-1\right)\left({\frac {1}{R_{1}}}-{\frac {1}{R_{2}}}\right)}"></span>,</dd></dl> <p>където: </p> <ul><li>f – фокусно разстояние на лещата;</li> <li>n<sub>2</sub> – <a href="/wiki/%D0%9F%D0%BE%D0%BA%D0%B0%D0%B7%D0%B0%D1%82%D0%B5%D0%BB_%D0%BD%D0%B0_%D0%BF%D1%80%D0%B5%D1%87%D1%83%D0%BF%D0%B2%D0%B0%D0%BD%D0%B5" title="Показател на пречупване">показател на пречупване</a> на <a href="/wiki/%D0%A1%D0%B2%D0%B5%D1%82%D0%BB%D0%B8%D0%BD%D0%B0" title="Светлина">светлината</a> на границата между средата и лещата;</li> <li>n<sub>1</sub> – показател на пречупване на светлината на границата между лещата и средата;</li> <li>R<sub>1</sub> – <a href="/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D1%83%D1%81" title="Радиус">радиус</a> на предната <a href="/w/index.php?title=%D0%9A%D1%80%D0%B8%D0%B2%D0%B8%D0%BD%D0%B0_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%8F)&action=edit&redlink=1" class="new" title="Кривина (геометрия) (страницата не съществува)">кривина</a> на лещата;</li> <li>R<sub>2</sub> – <a href="/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D1%83%D1%81" title="Радиус">радиус</a> на задната <a href="/w/index.php?title=%D0%9A%D1%80%D0%B8%D0%B2%D0%B8%D0%BD%D0%B0_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%8F)&action=edit&redlink=1" class="new" title="Кривина (геометрия) (страницата не съществува)">кривина</a> на лещата.</li></ul> <p>Оптичната сила на лещата (D) е обратнопропорционална на нейното фокусно разстояние (F):<sup id="cite_ref-ned_1-1" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle D={\frac {1}{f}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>D</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>f</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle D={\frac {1}{f}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6a01c16c73b04e51ecb5d76dd34f2cef3b7356e9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:7.137ex; height:5.676ex;" alt="{\displaystyle D={\frac {1}{f}}}"></span></dd></dl> <p>Оптичната сила на лещата се измерва в диоптри, като 1 <a href="/wiki/%D0%94%D0%B8%D0%BE%D0%BF%D1%82%D1%8A%D1%80" title="Диоптър">диоптър</a> = 1 <a href="/wiki/%D0%9C%D0%B5%D1%82%D1%8A%D1%80" title="Метър">метър</a><sup>–1</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Технология_и_приложение"><span id=".D0.A2.D0.B5.D1.85.D0.BD.D0.BE.D0.BB.D0.BE.D0.B3.D0.B8.D1.8F_.D0.B8_.D0.BF.D1.80.D0.B8.D0.BB.D0.BE.D0.B6.D0.B5.D0.BD.D0.B8.D0.B5"></span>Технология и приложение</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&veaction=edit&section=2" title="Редактиране на раздел: Технология и приложение" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit&section=2" title="Edit section's source code: Технология и приложение"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Lens_Nikkor_50mm.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/Lens_Nikkor_50mm.jpg/250px-Lens_Nikkor_50mm.jpg" decoding="async" width="250" height="214" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/Lens_Nikkor_50mm.jpg/375px-Lens_Nikkor_50mm.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/84/Lens_Nikkor_50mm.jpg/500px-Lens_Nikkor_50mm.jpg 2x" data-file-width="1200" data-file-height="1029" /></a><figcaption>Лещи във фотографски обектив</figcaption></figure> <p>Лещата се изработва най-често от <a href="/wiki/%D0%9E%D0%BF%D1%82%D0%B8%D1%87%D0%BD%D0%BE_%D1%81%D1%82%D1%8A%D0%BA%D0%BB%D0%BE" title="Оптично стъкло">оптично стъкло</a>. За работа в <a href="/wiki/%D0%A3%D0%BB%D1%82%D1%80%D0%B0%D0%B2%D0%B8%D0%BE%D0%BB%D0%B5%D1%82%D0%BE%D0%B2%D0%B8_%D0%BB%D1%8A%D1%87%D0%B8" class="mw-redirect" title="Ултравиолетови лъчи">ултравиолетовия</a> и <a href="/wiki/%D0%98%D0%BD%D1%84%D1%80%D0%B0%D1%87%D0%B5%D1%80%D0%B2%D0%B5%D0%BD%D0%B8_%D0%BB%D1%8A%D1%87%D0%B8" class="mw-redirect" title="Инфрачервени лъчи">инфрачервения</a> спектър се правят лещи от <a href="/wiki/%D0%9A%D0%B2%D0%B0%D1%80%D1%86" title="Кварц">кварц</a>, <a href="/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B5%D0%B2_%D1%85%D0%BB%D0%BE%D1%80%D0%B8%D0%B4" title="Натриев хлорид">натриев хлорид</a>, <a href="/wiki/%D0%9A%D0%B0%D0%BB%D0%B8%D0%B5%D0%B2_%D1%85%D0%BB%D0%BE%D1%80%D0%B8%D0%B4" title="Калиев хлорид">калиев хлорид</a> и други по-редки материали. Тя има две работни повърхности със сферична или асферична (параболична, хиперболична или друга осево-симетрична) форма. Едната повърхност на лещата може да е и плоска. Съществуват цилиндрични и други лещи, където осевата симетрия е нарушена. Според формата на повърхностите лещите биват двойноизпъкнали, двойновдлъбнати, плоскоизпъкнали, плосковдлъбнати, вдлъбнатоизпъкнали (мениски) и др. Лещите най-често се изработват от <a href="/wiki/%D0%9E%D0%BF%D1%82%D0%B8%D1%87%D0%BD%D0%BE_%D1%81%D1%82%D1%8A%D0%BA%D0%BB%D0%BE" title="Оптично стъкло">оптично стъкло</a> или прозрачна <a href="/wiki/%D0%9F%D0%BB%D0%B0%D1%81%D1%82%D0%BC%D0%B0%D1%81%D0%B0" title="Пластмаса">пластмаса</a> с определени оптични свойства, най-важните от които са <a href="/wiki/%D0%9F%D0%BE%D0%BA%D0%B0%D0%B7%D0%B0%D1%82%D0%B5%D0%BB_%D0%BD%D0%B0_%D0%BF%D1%80%D0%B5%D1%87%D1%83%D0%BF%D0%B2%D0%B0%D0%BD%D0%B5" title="Показател на пречупване">показател на пречупване</a>, <a href="/w/index.php?title=%D0%A7%D0%B8%D1%81%D0%BB%D0%BE_%D0%BD%D0%B0_%D0%90%D0%B1%D0%B5&action=edit&redlink=1" class="new" title="Число на Абе (страницата не съществува)">число на Абе</a> и др. </p><p>Лещите трябва да пропускат максимално попадналата върху тях <a href="/wiki/%D0%A1%D0%B2%D0%B5%D1%82%D0%BB%D0%B8%D0%BD%D0%B0" title="Светлина">светлина</a>. Затова те се правят от материали без или с минимално поглъщане. Друг източник на загуби е <a href="/wiki/%D0%9E%D1%82%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5" title="Отражение">отражението</a> от всяка една работна повърхност – то съставлява от 4 до 6% от попадналата в лещата светлина. За минимизиране на това отражение повърхностите на лещите се покриват с просветляващо (антиотражателно) <a href="/wiki/%D0%9E%D0%BF%D1%82%D0%B8%D1%87%D0%BD%D0%BE_%D0%BF%D0%BE%D0%BA%D1%80%D0%B8%D1%82%D0%B8%D0%B5" title="Оптично покритие">покритие</a>, което се състои от един или няколко <a href="/wiki/%D0%A2%D1%8A%D0%BD%D0%BA%D0%B8_%D1%81%D0%BB%D0%BE%D0%B5%D0%B2%D0%B5" title="Тънки слоеве">тънки слоя</a>. Така отражението може да се редуцира до под 1%, а при повече слоеве и до под 0,1% за дадена <a href="/wiki/%D0%94%D1%8A%D0%BB%D0%B6%D0%B8%D0%BD%D0%B0_%D0%BD%D0%B0_%D0%B2%D1%8A%D0%BB%D0%BD%D0%B0%D1%82%D0%B0" title="Дължина на вълната">дължина на вълната</a> или зададен интервал от спектъра, в който ще работи лещата. От значение е и спектралното разпределение на пропускането (или отражението). В зависимост от това всяка леща с покритие придобива <a href="/wiki/%D0%A6%D0%B2%D1%8F%D1%82_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)" title="Цвят (оптика)">цветен</a> оттенък (вижте фотографския <a href="/wiki/%D0%9E%D0%B1%D0%B5%D0%BA%D1%82%D0%B8%D0%B2" title="Обектив">обектив</a> на снимката). </p><p>Единична леща или комбинация от лещи се използват за направа на <a href="/wiki/%D0%9B%D1%83%D0%BF%D0%B0" title="Лупа">лупи</a>, <a href="/wiki/%D0%9E%D1%87%D0%B8%D0%BB%D0%B0" title="Очила">очила</a>, <a href="/wiki/%D0%A2%D0%B5%D0%BB%D0%B5%D1%81%D0%BA%D0%BE%D0%BF" title="Телескоп">телескопи</a>, <a href="/wiki/%D0%9C%D0%B8%D0%BA%D1%80%D0%BE%D1%81%D0%BA%D0%BE%D0%BF" title="Микроскоп">микроскопи</a>, <a href="/wiki/%D0%91%D0%B8%D0%BD%D0%BE%D0%BA%D1%8A%D0%BB" title="Бинокъл">бинокли</a>, обективи за <a href="/wiki/%D0%A4%D0%BE%D1%82%D0%BE%D0%B0%D0%BF%D0%B0%D1%80%D0%B0%D1%82" title="Фотоапарат">фотоапарати</a>, <a href="/wiki/%D0%92%D0%B8%D0%B4%D0%B5%D0%BE%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D0%B0" title="Видеокамера">видеокамери</a>, <a href="/wiki/CD-ROM_%D1%83%D1%81%D1%82%D1%80%D0%BE%D0%B9%D1%81%D1%82%D0%B2%D0%BE" class="mw-redirect" title="CD-ROM устройство">CD-ROM устройства</a> и други. </p> <div class="mw-heading mw-heading2"><h2 id="Вижте_също"><span id=".D0.92.D0.B8.D0.B6.D1.82.D0.B5_.D1.81.D1.8A.D1.89.D0.BE"></span>Вижте също</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&veaction=edit&section=3" title="Редактиране на раздел: Вижте също" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit&section=3" title="Edit section's source code: Вижте също"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%D0%9A%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%BD%D0%B8_%D0%BB%D0%B5%D1%89%D0%B8" class="mw-redirect" title="Контактни лещи">Контактни лещи</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Източници"><span id=".D0.98.D0.B7.D1.82.D0.BE.D1.87.D0.BD.D0.B8.D1.86.D0.B8"></span>Източници</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&veaction=edit&section=4" title="Редактиране на раздел: Източници" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit&section=4" title="Edit section's source code: Източници"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-ned-1"><span class="mw-cite-backlink">↑ <a href="#cite_ref-ned_1-0"><sup><i><b>а</b></i></sup></a> <a href="#cite_ref-ned_1-1"><sup><i><b>б</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFНедзьведь2002" class="book" style="font-style:normal">Недзьведь, О.В. Оптика глаза. Основы биофизики зрения.  Минск, БГМУ, 2002. с. 35.<span class="cite-lang"> <small style="color: var(--color-subtle, #54595d);">(на руски)</small></span></cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Външни_препратки"><span id=".D0.92.D1.8A.D0.BD.D1.88.D0.BD.D0.B8_.D0.BF.D1.80.D0.B5.D0.BF.D1.80.D0.B0.D1.82.D0.BA.D0.B8"></span>Външни препратки</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&veaction=edit&section=5" title="Редактиране на раздел: Външни препратки" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&action=edit&section=5" title="Edit section's source code: Външни препратки"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span typeof="mw:File"><a href="/wiki/%D0%9E%D0%B1%D1%89%D0%BE%D0%BC%D0%B5%D0%B4%D0%B8%D1%8F" title="Общомедия"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> В <a href="/wiki/%D0%9E%D0%B1%D1%89%D0%BE%D0%BC%D0%B5%D0%B4%D0%B8%D1%8F" title="Общомедия">Общомедия</a> има медийни файлове относно <span class="interProject"><b><a href="https://commons.wikimedia.org/wiki/Category:Lens" class="extiw" title="commons:Category:Lens">Оптична леща</a></b></span></li></ul> <!-- NewPP limit report Parsed by mw‐api‐int.codfw.main‐7bb7c89445‐kbrrb Cached time: 20241029132138 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.073 seconds Real time usage: 0.270 seconds Preprocessor visited node count: 557/1000000 Post‐expand include size: 2365/2097152 bytes Template argument size: 857/2097152 bytes Highest expansion depth: 14/100 Expensive parser function count: 0/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 1043/5000000 bytes Lua time usage: 0.008/10.000 seconds Lua memory usage: 702930/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 62.514 1 -total 81.64% 51.037 1 Шаблон:Cite_book 76.95% 48.105 1 Шаблон:Cite 37.18% 23.243 1 Шаблон:Източник_БДС_17377 27.51% 17.198 1 Шаблон:If_empty 14.36% 8.979 1 Шаблон:Cite-lang 7.47% 4.667 1 Шаблон:Tfn 5.54% 3.465 1 Шаблон:Друго_значение 4.47% 2.796 1 Шаблон:Стр 2.76% 1.723 1 Шаблон:Commonscat-inline --> <!-- Saved in parser cache with key bgwiki:pcache:idhash:126896-0!canonical and timestamp 20241029132138 and revision id 11590098. Rendering was triggered because: api-parse --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Взето от „<a dir="ltr" href="https://bg.wikipedia.org/w/index.php?title=Леща_(оптика)&oldid=11590098">https://bg.wikipedia.org/w/index.php?title=Леща_(оптика)&oldid=11590098</a>“.</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D0%B8" title="Специални:Категории">Категория</a>: <ul><li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%9B%D0%B5%D1%89%D0%B8" title="Категория:Лещи">Лещи</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Последната промяна на страницата е извършена на 19 ноември 2022 г. в 10:02 ч.</li> <li id="footer-info-copyright">Текстът е достъпен под лиценза <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.bg">Creative Commons Признание-Споделяне на споделеното</a>; може да са приложени допълнителни условия. За подробности вижте <a class="external text" href="https://foundation.wikimedia.org/wiki/Policy:Terms_of_Use/bg">Условия за ползване</a>.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Поверителност</a></li> <li id="footer-places-about"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%97%D0%B0_%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B8">За контакт с Уикипедия</a></li> <li id="footer-places-disclaimers"><a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9F%D1%80%D0%B5%D0%B4%D1%83%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5">Предупреждение</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Кодекс на поведение</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">За разработчици</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/bg.wikipedia.org">Статистика</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Използване на „бисквитки“</a></li> <li id="footer-places-mobileview"><a href="//bg.m.wikipedia.org/w/index.php?title=%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Мобилен изглед</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-qzp9h","wgBackendResponseTime":175,"wgPageParseReport":{"limitreport":{"cputime":"0.073","walltime":"0.270","ppvisitednodes":{"value":557,"limit":1000000},"postexpandincludesize":{"value":2365,"limit":2097152},"templateargumentsize":{"value":857,"limit":2097152},"expansiondepth":{"value":14,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":1043,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 62.514 1 -total"," 81.64% 51.037 1 Шаблон:Cite_book"," 76.95% 48.105 1 Шаблон:Cite"," 37.18% 23.243 1 Шаблон:Източник_БДС_17377"," 27.51% 17.198 1 Шаблон:If_empty"," 14.36% 8.979 1 Шаблон:Cite-lang"," 7.47% 4.667 1 Шаблон:Tfn"," 5.54% 3.465 1 Шаблон:Друго_значение"," 4.47% 2.796 1 Шаблон:Стр"," 2.76% 1.723 1 Шаблон:Commonscat-inline"]},"scribunto":{"limitreport-timeusage":{"value":"0.008","limit":"10.000"},"limitreport-memusage":{"value":702930,"limit":52428800}},"cachereport":{"origin":"mw-api-int.codfw.main-7bb7c89445-kbrrb","timestamp":"20241029132138","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"\u041b\u0435\u0449\u0430 (\u043e\u043f\u0442\u0438\u043a\u0430)","url":"https:\/\/bg.wikipedia.org\/wiki\/%D0%9B%D0%B5%D1%89%D0%B0_(%D0%BE%D0%BF%D1%82%D0%B8%D0%BA%D0%B0)","sameAs":"http:\/\/www.wikidata.org\/entity\/Q768575","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q768575","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"\u0424\u043e\u043d\u0434\u0430\u0446\u0438\u044f \u0423\u0438\u043a\u0438\u043c\u0435\u0434\u0438\u044f","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2007-03-05T15:08:58Z","dateModified":"2022-11-19T10:02:46Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/d\/d8\/BiconvexLens.jpg"}</script> </body> </html>