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href="/wiki/%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%94%D7%AA%D7%A8%D7%95%D7%9E%D7%95%D7%AA_%D7%A9%D7%9C%D7%99" title="רשימת העריכות שנעשו מכתובת IP זו [y]" accesskey="y"><span>תרומות</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%94%D7%A9%D7%99%D7%97%D7%94_%D7%A9%D7%9C%D7%99" title="דיון על העריכות שנעשו מכתובת IP זו [n]" accesskey="n"><span>שיחה</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"><div id="mw-dismissablenotice-anonplace"></div><script>(function(){var node=document.getElementById("mw-dismissablenotice-anonplace");if(node){node.outerHTML="\u003Cdiv class=\"mw-dismissable-notice\"\u003E\u003Cdiv class=\"mw-dismissable-notice-close\"\u003E[\u003Ca tabindex=\"0\" role=\"button\"\u003Eהסתרה\u003C/a\u003E]\u003C/div\u003E\u003Cdiv 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">העברה לסרגל הצד</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">הסתרה</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">התחלה</div> </a> </li> <li id="toc-ראו_גם" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#ראו_גם"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>ראו גם</span> </div> </a> <ul id="toc-ראו_גם-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-קישורים_חיצוניים" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#קישורים_חיצוניים"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>קישורים חיצוניים</span> </div> </a> <ul id="toc-קישורים_חיצוניים-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="תוכן עניינים" 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="מצב תוכן העניינים" > <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">מצב תוכן העניינים</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">דיופטר</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="מעבר לערך בשפה אחרת. זמין ב־54 שפות" > <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-54" 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">54 שפות</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Dioptre" title="Dioptre – אנגלית" lang="en" hreflang="en" data-title="Dioptre" data-language-autonym="English" data-language-local-name="אנגלית" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%B3%D9%8A%D8%B1%D8%A9_(%D9%88%D8%AD%D8%AF%D8%A9_%D9%82%D9%8A%D8%A7%D8%B3)" title="كسيرة (وحدة قياس) – ערבית" lang="ar" hreflang="ar" data-title="كسيرة (وحدة قياس)" data-language-autonym="العربية" data-language-local-name="ערבית" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Diopter" title="Diopter – אזרית" lang="az" hreflang="az" data-title="Diopter" data-language-autonym="Azərbaycanca" data-language-local-name="אזרית" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%94%D0%B8%D0%BE%D0%BF%D1%82%D1%8A%D1%80" title="Диоптър – בולגרית" lang="bg" hreflang="bg" data-title="Диоптър" data-language-autonym="Български" data-language-local-name="בולגרית" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A1%E0%A6%BE%E0%A6%87%E0%A6%85%E0%A6%AA%E0%A7%8D%E0%A6%9F%E0%A6%BE%E0%A6%B0" title="ডাইঅপ্টার – בנגלית" lang="bn" hreflang="bn" data-title="ডাইঅপ্টার" data-language-autonym="বাংলা" data-language-local-name="בנגלית" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Di%C3%B2ptria" title="Diòptria – קטלאנית" lang="ca" hreflang="ca" data-title="Diòptria" data-language-autonym="Català" data-language-local-name="קטלאנית" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Dioptrie" title="Dioptrie – צ׳כית" lang="cs" hreflang="cs" data-title="Dioptrie" data-language-autonym="Čeština" data-language-local-name="צ׳כית" 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/Dioptri" title="Dioptri – דנית" lang="da" hreflang="da" data-title="Dioptri" data-language-autonym="Dansk" data-language-local-name="דנית" 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/Dioptrie" title="Dioptrie – גרמנית" lang="de" hreflang="de" data-title="Dioptrie" data-language-autonym="Deutsch" data-language-local-name="גרמנית" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Dioptrio" title="Dioptrio – אספרנטו" lang="eo" hreflang="eo" data-title="Dioptrio" data-language-autonym="Esperanto" data-language-local-name="אספרנטו" 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/Dioptr%C3%ADa" title="Dioptría – ספרדית" lang="es" hreflang="es" data-title="Dioptría" data-language-autonym="Español" data-language-local-name="ספרדית" 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/Dioptria" title="Dioptria – אסטונית" lang="et" hreflang="et" data-title="Dioptria" data-language-autonym="Eesti" data-language-local-name="אסטונית" 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/Dioptria" title="Dioptria – בסקית" lang="eu" hreflang="eu" data-title="Dioptria" data-language-autonym="Euskara" data-language-local-name="בסקית" 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%AF%DB%8C%D9%88%D9%BE%D8%AA%D8%B1" title="دیوپتر – פרסית" lang="fa" hreflang="fa" data-title="دیوپتر" data-language-autonym="فارسی" data-language-local-name="פרסית" 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/Dioptria" title="Dioptria – פינית" lang="fi" hreflang="fi" data-title="Dioptria" data-language-autonym="Suomi" data-language-local-name="פינית" 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/Dioptrie" title="Dioptrie – צרפתית" lang="fr" hreflang="fr" data-title="Dioptrie" data-language-autonym="Français" data-language-local-name="צרפתית" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Diaptar" title="Diaptar – אירית" lang="ga" hreflang="ga" data-title="Diaptar" data-language-autonym="Gaeilge" data-language-local-name="אירית" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Dioptr%C3%ADa" title="Dioptría – גליסית" lang="gl" hreflang="gl" data-title="Dioptría" data-language-autonym="Galego" data-language-local-name="גליסית" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A1%E0%A4%BE%E0%A4%AF%E0%A5%8B%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A4%B0" title="डायोप्टर – הינדי" lang="hi" hreflang="hi" data-title="डायोप्टर" data-language-autonym="हिन्दी" data-language-local-name="הינדי" 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/Dioptrija" title="Dioptrija – קרואטית" lang="hr" hreflang="hr" data-title="Dioptrija" data-language-autonym="Hrvatski" data-language-local-name="קרואטית" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Dioptria" title="Dioptria – הונגרית" lang="hu" hreflang="hu" data-title="Dioptria" data-language-autonym="Magyar" data-language-local-name="הונגרית" 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/%D4%B4%D5%AB%D6%85%D5%BA%D5%BF%D6%80%D5%AB%D5%A1" title="Դիօպտրիա – ארמנית" lang="hy" hreflang="hy" data-title="Դիօպտրիա" data-language-autonym="Հայերեն" data-language-local-name="ארמנית" 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/Dioptri" title="Dioptri – אינדונזית" lang="id" hreflang="id" data-title="Dioptri" data-language-autonym="Bahasa Indonesia" data-language-local-name="אינדונזית" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Diottria" title="Diottria – איטלקית" lang="it" hreflang="it" data-title="Diottria" data-language-autonym="Italiano" data-language-local-name="איטלקית" 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%87%E3%82%A3%E3%82%AA%E3%83%97%E3%83%88%E3%83%AA" title="ディオプトリ – יפנית" lang="ja" hreflang="ja" data-title="ディオプトリ" data-language-autonym="日本語" data-language-local-name="יפנית" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%94%D0%B8%D0%BE%D0%BF%D1%82%D1%80" title="Диоптр – קזחית" lang="kk" hreflang="kk" data-title="Диоптр" data-language-autonym="Қазақша" data-language-local-name="קזחית" 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%94%94%EC%98%B5%ED%84%B0" title="디옵터 – קוריאנית" lang="ko" hreflang="ko" data-title="디옵터" data-language-autonym="한국어" data-language-local-name="קוריאנית" 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%94%D0%B8%D0%BE%D0%BF%D1%82%D1%80%D0%B8%D1%8F" title="Диоптрия – קירגיזית" lang="ky" hreflang="ky" data-title="Диоптрия" data-language-autonym="Кыргызча" data-language-local-name="קירגיזית" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Dioptrija" title="Dioptrija – ליטאית" lang="lt" hreflang="lt" data-title="Dioptrija" data-language-autonym="Lietuvių" data-language-local-name="ליטאית" 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/Dioptrija" title="Dioptrija – לטבית" lang="lv" hreflang="lv" data-title="Dioptrija" data-language-autonym="Latviešu" data-language-local-name="לטבית" 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%94%D0%B8%D0%BE%D0%BF%D1%82%D0%B5%D1%80" title="Диоптер – מקדונית" lang="mk" hreflang="mk" data-title="Диоптер" data-language-autonym="Македонски" data-language-local-name="מקדונית" 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%A1%E0%B4%AF%E0%B5%8B%E0%B4%AA%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%BC" title="ഡയോപ്റ്റർ – מליאלאם" lang="ml" hreflang="ml" data-title="ഡയോപ്റ്റർ" data-language-autonym="മലയാളം" data-language-local-name="מליאלאם" 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%94%D0%B8%D0%BE%D0%BF%D1%82%D1%80" title="Диоптр – מונגולית" lang="mn" hreflang="mn" data-title="Диоптр" data-language-autonym="Монгол" data-language-local-name="מונגולית" 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/Diopter" title="Diopter – מלאית" lang="ms" hreflang="ms" data-title="Diopter" data-language-autonym="Bahasa Melayu" data-language-local-name="מלאית" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Dioptrie" title="Dioptrie – הולנדית" lang="nl" hreflang="nl" data-title="Dioptrie" data-language-autonym="Nederlands" data-language-local-name="הולנדית" 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/Dioptri" title="Dioptri – נורווגית חדשה" lang="nn" hreflang="nn" data-title="Dioptri" data-language-autonym="Norsk nynorsk" data-language-local-name="נורווגית חדשה" 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/Dioptri" title="Dioptri – נורווגית ספרותית" lang="nb" hreflang="nb" data-title="Dioptri" data-language-autonym="Norsk bokmål" data-language-local-name="נורווגית ספרותית" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%A1%E0%A8%BE%E0%A8%87%E0%A8%AA%E0%A8%9F%E0%A8%B0" title="ਡਾਇਪਟਰ – פנג׳אבי" lang="pa" hreflang="pa" data-title="ਡਾਇਪਟਰ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="פנג׳אבי" 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/Dioptria" title="Dioptria – פולנית" lang="pl" hreflang="pl" data-title="Dioptria" data-language-autonym="Polski" data-language-local-name="פולנית" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Dioptria" title="Dioptria – פורטוגזית" lang="pt" hreflang="pt" data-title="Dioptria" data-language-autonym="Português" data-language-local-name="פורטוגזית" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Dioptrie" title="Dioptrie – רומנית" lang="ro" hreflang="ro" data-title="Dioptrie" data-language-autonym="Română" data-language-local-name="רומנית" 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%94%D0%B8%D0%BE%D0%BF%D1%82%D1%80%D0%B8%D1%8F" title="Диоптрия – רוסית" lang="ru" hreflang="ru" data-title="Диоптрия" data-language-autonym="Русский" data-language-local-name="רוסית" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Dioptre" title="Dioptre – אנגלית פשוטה" lang="en-simple" hreflang="en-simple" data-title="Dioptre" data-language-autonym="Simple English" data-language-local-name="אנגלית פשוטה" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Dioptrija" title="Dioptrija – סלובנית" lang="sl" hreflang="sl" data-title="Dioptrija" data-language-autonym="Slovenščina" data-language-local-name="סלובנית" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%94%D0%B8%D0%BE%D0%BF%D1%82%D1%80%D0%B8%D1%98%D0%B0" title="Диоптрија – סרבית" lang="sr" hreflang="sr" data-title="Диоптрија" data-language-autonym="Српски / srpski" data-language-local-name="סרבית" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Dioptri" title="Dioptri – שוודית" lang="sv" hreflang="sv" data-title="Dioptri" data-language-autonym="Svenska" data-language-local-name="שוודית" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AF%88%E0%AE%AF%E0%AE%BE%E0%AE%AA%E0%AF%8D%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B0%E0%AF%8D" title="டையாப்ட்டர் – טמילית" lang="ta" hreflang="ta" data-title="டையாப்ட்டர்" data-language-autonym="தமிழ்" data-language-local-name="טמילית" 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%A1%E0%B0%AF%E0%B0%BE%E0%B0%AA%E0%B1%8D%E0%B0%9F%E0%B0%B0%E0%B1%8D" title="డయాప్టర్ – טלוגו" lang="te" hreflang="te" data-title="డయాప్టర్" data-language-autonym="తెలుగు" data-language-local-name="טלוגו" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%84%E0%B8%94%E0%B8%AD%E0%B8%AD%E0%B8%9B%E0%B9%80%E0%B8%95%E0%B8%AD%E0%B8%A3%E0%B9%8C" title="ไดออปเตอร์ – תאית" lang="th" hreflang="th" data-title="ไดออปเตอร์" data-language-autonym="ไทย" data-language-local-name="תאית" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Diyoptri" title="Diyoptri – טורקית" lang="tr" hreflang="tr" data-title="Diyoptri" data-language-autonym="Türkçe" data-language-local-name="טורקית" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%94%D1%96%D0%BE%D0%BF%D1%82%D1%80%D1%96%D1%8F" title="Діоптрія – אוקראינית" lang="uk" hreflang="uk" data-title="Діоптрія" data-language-autonym="Українська" data-language-local-name="אוקראינית" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Dioptriya" title="Dioptriya – אוזבקית" lang="uz" hreflang="uz" data-title="Dioptriya" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="אוזבקית" 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/Dioptre" title="Dioptre – וייטנאמית" lang="vi" hreflang="vi" data-title="Dioptre" data-language-autonym="Tiếng Việt" data-language-local-name="וייטנאמית" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%B1%88%E5%85%89%E5%BA%A6" title="屈光度 – סינית" lang="zh" hreflang="zh" data-title="屈光度" data-language-autonym="中文" data-language-local-name="סינית" class="interlanguage-link-target"><span>中文</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/Q193933#sitelinks-wikipedia" title="עריכת קישורים בין־לשוניים" class="wbc-editpage">עריכת הקישורים</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="מרחבי שם"> <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/%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8" title="צפייה בדף התוכן [c]" accesskey="c"><span>ערך</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D7%A9%D7%99%D7%97%D7%94:%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&action=edit&redlink=1" rel="discussion" class="new" title="שיחה על דף התוכן (הדף אינו קיים) [t]" accesskey="t"><span>שיחה</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="שינוי הגוון השפה" > <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 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class="vector-dropdown-label-text">כלים</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">כלים</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">העברה לסרגל הצד</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">הסתרה</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="אפשרויות נוספות" > <div class="vector-menu-heading"> פעולות </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/%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8"><span>קריאה</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&action=edit" title="עריכת קוד המקור של הדף הזה [e]" accesskey="e"><span>עריכת קוד מקור</span></a></li><li id="ca-more-ve-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&veaction=edit" title="עריכת הדף הזה [v]" accesskey="v"><span>עריכה</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&action=history"><span>גרסאות קודמות</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> כללי </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%93%D7%A4%D7%99%D7%9D_%D7%94%D7%9E%D7%A7%D7%95%D7%A9%D7%A8%D7%99%D7%9D_%D7%9C%D7%9B%D7%90%D7%9F/%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8" title="רשימה של כל דפי הוויקי שמקשרים לדף הזה [j]" accesskey="j"><span>דפים המקושרים לכאן</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%A9%D7%99%D7%A0%D7%95%D7%99%D7%99%D7%9D_%D7%91%D7%93%D7%A4%D7%99%D7%9D_%D7%94%D7%9E%D7%A7%D7%95%D7%A9%D7%A8%D7%99%D7%9D/%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8" rel="nofollow" title="השינויים האחרונים בדפים המקושרים מהדף הזה [k]" 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id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%9E%D7%A7%D7%A6%D7%A8_%D7%9B%D7%AA%D7%95%D7%91%D7%95%D7%AA&url=https%3A%2F%2Fhe.wikipedia.org%2Fwiki%2F%25D7%2593%25D7%2599%25D7%2595%25D7%25A4%25D7%2598%25D7%25A8"><span>קבלת כתובת מקוצרת</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%D7%9E%D7%99%D7%95%D7%97%D7%93:QrCode&url=https%3A%2F%2Fhe.wikipedia.org%2Fwiki%2F%25D7%2593%25D7%2599%25D7%2595%25D7%25A4%25D7%2598%25D7%25A8"><span>הורדת קוד QR</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"> הדפסה/יצוא </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=%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%A1%D7%A4%D7%A8&bookcmd=book_creator&referer=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8"><span>יצירת ספר</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%D7%9E%D7%99%D7%95%D7%97%D7%93:DownloadAsPdf&page=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&action=show-download-screen"><span>הורדה כ־PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&printable=yes" title="גרסה להדפסה של הדף הזה [p]" accesskey="p"><span>גרסה להדפסה</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"> במיזמים אחרים </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q193933" title="קישור לפריט המשויך במאגר הנתונים [g]" accesskey="g"><span>פריט ויקינתונים</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="כלי דף"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="מראה"> <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">מראה</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">העברה לסרגל הצד</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">הסתרה</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">מתוך ויקיפדיה, האנציקלופדיה החופשית</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-rtl mw-parser-output" lang="he" dir="rtl"><p>ב<a href="/wiki/%D7%90%D7%95%D7%A4%D7%98%D7%99%D7%A7%D7%94" title="אופטיקה">אופטיקה</a>, <b>דִּיוֹפְּטֵר</b> היא <a href="/wiki/%D7%99%D7%97%D7%99%D7%93%D7%AA_%D7%9E%D7%99%D7%93%D7%94" title="יחידת מידה">יחידת מידה</a> לעוצמה האופטית של <a href="/wiki/%D7%A2%D7%93%D7%A9%D7%94" title="עדשה">עדשה</a> או <a href="/wiki/%D7%9E%D7%A8%D7%90%D7%94" title="מראה">מראה</a> קעורה, והיא מסומנת באות D. הדיופטר שווה למספר ההופכי של מרחק ה<a href="/wiki/%D7%9E%D7%95%D7%A7%D7%93_(%D7%90%D7%95%D7%A4%D7%98%D7%99%D7%A7%D7%94)" title="מוקד (אופטיקה)">מוקד</a> כפי שהוא נמדד ב<a href="/wiki/%D7%9E%D7%98%D7%A8" title="מטר">מטרים</a>, כלומר נמדד באחד חלקי מטר. </p><p><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 {100}{f}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>D</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>100</mn> <mi>f</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle D={\frac {100}{f}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9b9e7337366cabdd66aabb35dc538fc91798fd0f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:9.346ex; height:5.676ex;" alt="{\displaystyle D={\frac {100}{f}}}"></span> כאשר מוקד העדשה נמדד בסנטימטר. <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> כאשר מוקד העדשה נמדד במטרים. לדוגמה, עדשה של 3 דיופטר היא עדשה אשר מרכזת <a href="/wiki/%D7%90%D7%95%D7%A8" title="אור">קרני אור</a> <a href="/wiki/%D7%99%D7%A9%D7%A8%D7%99%D7%9D_%D7%9E%D7%A7%D7%91%D7%99%D7%9C%D7%99%D7%9D" title="ישרים מקבילים">מקבילות</a> למוקד אופטי במרחק <sup>1</sup>⁄<sub>3</sub> מטר. </p><p>בחיי היומיום משתמשים בדיופטריות לציון חוזקן של עדשות <a href="/wiki/%D7%9E%D7%A9%D7%A7%D7%A4%D7%99%D7%99%D7%9D" title="משקפיים">משקפיים</a> או <a href="/wiki/%D7%A2%D7%93%D7%A9%D7%95%D7%AA_%D7%9E%D7%92%D7%A2" title="עדשות מגע">עדשות מגע</a> מבחינה אופטית (זהו 'מספר' העדשה במונחים <a href="/wiki/%D7%90%D7%95%D7%A4%D7%98%D7%95%D7%9E%D7%98%D7%A8%D7%99%D7%94" title="אופטומטריה">אופטומטריים</a>). </p><p>הדיופטר איננו נכלל ב<a href="/wiki/%D7%9E%D7%A2%D7%A8%D7%9B%D7%AA_%D7%94%D7%99%D7%97%D7%99%D7%93%D7%95%D7%AA_%D7%94%D7%91%D7%99%D7%A0%D7%9C%D7%90%D7%95%D7%9E%D7%99%D7%AA" class="mw-redirect" title="מערכת היחידות הבינלאומית">מערכת היחידות הבינלאומית</a>. </p> <div class="mw-heading mw-heading2"><h2 id="ראו_גם"><span id=".D7.A8.D7.90.D7.95_.D7.92.D7.9D"></span>ראו גם</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&action=edit&section=1" title="עריכת קוד המקור של הפרק: ראו גם"><span>עריכת קוד מקור</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&veaction=edit&section=1" title="עריכת פסקה: "ראו גם"" class="mw-editsection-visualeditor"><span>עריכה</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%D7%9C%D7%A0%D7%A1%D7%9E%D7%98%D7%A8" title="לנסמטר">לנסמטר</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="קישורים_חיצוניים"><span id=".D7.A7.D7.99.D7.A9.D7.95.D7.A8.D7.99.D7.9D_.D7.97.D7.99.D7.A6.D7.95.D7.A0.D7.99.D7.99.D7.9D"></span>קישורים חיצוניים</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&action=edit&section=2" title="עריכת קוד המקור של הפרק: קישורים חיצוניים"><span>עריכת קוד מקור</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8&veaction=edit&section=2" title="עריכת פסקה: "קישורים חיצוניים"" class="mw-editsection-visualeditor"><span>עריכה</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="sistersitebox plainlinks noprint" style="margin: 0 1em 0.5em 0;float: left;"><tbody><tr><th style="text-align:center">מיזמי <a href="/wiki/%D7%A7%D7%A8%D7%9F_%D7%95%D7%99%D7%A7%D7%99%D7%9E%D7%93%D7%99%D7%94" title="קרן ויקימדיה">קרן ויקימדיה</a></th></tr><tr><td><div class="sisterwikilinkT"><span typeof="mw:File"><span title="ויקימילון"><img alt="ויקימילון" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wiktionary-logo-he.png/20px-Wiktionary-logo-he.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wiktionary-logo-he.png/30px-Wiktionary-logo-he.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wiktionary-logo-he.png/40px-Wiktionary-logo-he.png 2x" data-file-width="135" data-file-height="135" /></span></span> ערך מילוני בוויקימילון: <b><a href="https://he.wiktionary.org/wiki/%D7%93%D7%99%D7%95%D7%A4%D7%98%D7%A8" class="extiw" title="wikt:דיופטר">דיופטר</a></b></div></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r36773993">.mw-parser-output .sistersitebox{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:#f9f9f9}</style> <ul><li><a rel="nofollow" class="external text" href="https://www.britannica.com/technology/diopter-optics,">technology/diopter-instrument דיופטר</a>, באתר <a href="/wiki/%D7%90%D7%A0%D7%A6%D7%99%D7%A7%D7%9C%D7%95%D7%A4%D7%93%D7%99%D7%94_%D7%91%D7%A8%D7%99%D7%98%D7%A0%D7%99%D7%A7%D7%94" title="אנציקלופדיה בריטניקה">אנציקלופדיה בריטניקה</a> <span dir="rtl" class="languageicon">(באנגלית)</span><style data-mw-deduplicate="TemplateStyles:r36549940">.mw-parser-output .languageicon{font-size:0.95em;font-weight:bold;color:#555}</style></li></ul> <div class="stub" style="background-color:#FFFCFC; border-color:#CCCCCC; border-style:double; border-width:3px; clear:both; padding-top:4px; padding-bottom:4px; padding-right:7px; margin:0.5em 0 0.5em 0;vertical-align:middle;"><span typeof="mw:File"><a href="/wiki/%D7%A7%D7%95%D7%91%D7%A5:P_physics.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/P_physics.svg/25px-P_physics.svg.png" decoding="async" width="25" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/P_physics.svg/38px-P_physics.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b4/P_physics.svg/50px-P_physics.svg.png 2x" data-file-width="400" data-file-height="360" /></a></span> ערך זה הוא <a href="/wiki/%D7%95%D7%99%D7%A7%D7%99%D7%A4%D7%93%D7%99%D7%94:%D7%A7%D7%A6%D7%A8%D7%9E%D7%A8" title="ויקיפדיה:קצרמר">קצרמר</a> בנושא <a href="/wiki/%D7%A7%D7%98%D7%92%D7%95%D7%A8%D7%99%D7%94:%D7%A7%D7%A6%D7%A8%D7%9E%D7%A8_%D7%A4%D7%99%D7%96%D7%99%D7%A7%D7%94" title="קטגוריה:קצרמר פיזיקה">פיזיקה</a>. אתם מוזמנים <a href="/wiki/%D7%95%D7%99%D7%A7%D7%99%D7%A4%D7%93%D7%99%D7%94:%D7%91%D7%A8%D7%95%D7%9B%D7%99%D7%9D_%D7%94%D7%91%D7%90%D7%99%D7%9D#כתיבה_בוויקיפדיה" title="ויקיפדיה:ברוכים הבאים">לתרום</a> לוויקיפדיה ו<b><span class="plainlinks"><a class="external text" 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