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<div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></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="Sitio"> <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="Contidos" 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">Contidos</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover á barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">agochar</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">Inicio</div> </a> </li> <li id="toc-Etimoloxía" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Etimoloxía"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Etimoloxía</span> </div> </a> <ul id="toc-Etimoloxía-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Historia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historia"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Historia</span> </div> </a> <ul id="toc-Historia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tipos_de_lentes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tipos_de_lentes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Tipos de lentes</span> </div> </a> <ul id="toc-Tipos_de_lentes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Elementos_das_lentes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Elementos_das_lentes"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Elementos das lentes</span> </div> </a> <ul id="toc-Elementos_das_lentes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Outros_tipos_de_lentes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Outros_tipos_de_lentes"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Outros tipos de lentes</span> </div> </a> <button aria-controls="toc-Outros_tipos_de_lentes-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Mostrar ou agochar a subsección "Outros tipos de lentes"</span> </button> <ul id="toc-Outros_tipos_de_lentes-sublist" class="vector-toc-list"> <li id="toc-Lente_de_Luneburg" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Lente_de_Luneburg"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Lente de Luneburg</span> </div> </a> <ul id="toc-Lente_de_Luneburg-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Lentes_artificiais" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Lentes_artificiais"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Lentes artificiais</span> </div> </a> <ul id="toc-Lentes_artificiais-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Notas" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notas"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Notas</span> </div> </a> <ul id="toc-Notas-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Véxase_tamén" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Véxase_tamén"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Véxase tamén</span> </div> </a> <button aria-controls="toc-Véxase_tamén-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Mostrar ou agochar a subsección "Véxase tamén"</span> </button> <ul id="toc-Véxase_tamén-sublist" class="vector-toc-list"> <li id="toc-Outros_artigos" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Outros_artigos"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span> <span>Outros artigos</span> </div> </a> <ul id="toc-Outros_artigos-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ligazóns_externas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ligazóns_externas"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.2</span> <span>Ligazóns externas</span> </div> </a> <ul id="toc-Ligazóns_externas-sublist" class="vector-toc-list"> </ul> </li> </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="Contidos" 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="Mostrar ou agochar a táboa de contidos" > <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">Mostrar ou agochar a táboa de contidos</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">Lente (óptica)</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="Ir a un artigo noutra lingua. Dispoñible en 97 linguas" > <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 linguas</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 – afrikaans" lang="af" hreflang="af" data-title="Lens" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" 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 – amhárico" lang="am" hreflang="am" data-title="ምስሮ" data-language-autonym="አማርኛ" data-language-local-name="amhárico" 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) – árabe" lang="ar" hreflang="ar" data-title="عدسة (بصريات)" data-language-autonym="العربية" data-language-local-name="árabe" 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 – asturiano" lang="ast" hreflang="ast" data-title="Lente" data-language-autonym="Asturianu" data-language-local-name="asturiano" 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 – acerbaixano" lang="az" hreflang="az" data-title="Linza" data-language-autonym="Azərbaycanca" data-language-local-name="acerbaixano" 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 – belaruso" lang="be" hreflang="be" data-title="Лінза" data-language-autonym="Беларуская" data-language-local-name="belaruso" 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-bg mw-list-item"><a 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)" title="Леща (оптика) – búlgaro" lang="bg" hreflang="bg" data-title="Леща (оптика)" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</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 – bengalí" lang="bn" hreflang="bn" data-title="লেন্স" data-language-autonym="বাংলা" data-language-local-name="bengalí" 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) – bosníaco" lang="bs" hreflang="bs" data-title="Leća (optika)" data-language-autonym="Bosanski" data-language-local-name="bosníaco" 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 – catalán" lang="ca" hreflang="ca" data-title="Lent" data-language-autonym="Català" data-language-local-name="catalán" 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 – kurdo central" lang="ckb" hreflang="ckb" data-title="لێنز" data-language-autonym="کوردی" data-language-local-name="kurdo central" 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) – checo" lang="cs" hreflang="cs" data-title="Čočka (optika)" data-language-autonym="Čeština" data-language-local-name="checo" 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 – dinamarqués" lang="da" hreflang="da" data-title="Optisk linse" data-language-autonym="Dansk" data-language-local-name="dinamarqués" 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) – alemán" lang="de" hreflang="de" data-title="Linse (Optik)" data-language-autonym="Deutsch" data-language-local-name="alemán" 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) – baixo sorbio" lang="dsb" hreflang="dsb" data-title="Linsa (optika)" data-language-autonym="Dolnoserbski" data-language-local-name="baixo sorbio" 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 – grego" lang="el" hreflang="el" data-title="Φακός" data-language-autonym="Ελληνικά" data-language-local-name="grego" 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 – inglés" lang="en" hreflang="en" data-title="Lens" data-language-autonym="English" data-language-local-name="inglés" 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) – esperanto" lang="eo" hreflang="eo" data-title="Lenso (optiko)" data-language-autonym="Esperanto" data-language-local-name="esperanto" 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 – español" lang="es" hreflang="es" data-title="Lente" data-language-autonym="Español" data-language-local-name="español" 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 – estoniano" lang="et" hreflang="et" data-title="Lääts" data-language-autonym="Eesti" data-language-local-name="estoniano" 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 – éuscaro" lang="eu" hreflang="eu" data-title="Leiar" data-language-autonym="Euskara" data-language-local-name="éuscaro" 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 – persa" lang="fa" hreflang="fa" data-title="عدسی" data-language-autonym="فارسی" data-language-local-name="persa" 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) – finés" lang="fi" hreflang="fi" data-title="Linssi (optiikka)" data-language-autonym="Suomi" data-language-local-name="finés" 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 – francés" lang="fr" hreflang="fr" data-title="Lentille optique" data-language-autonym="Français" data-language-local-name="francés" 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) – frisón setentrional" lang="frr" hreflang="frr" data-title="Lins (Optik)" data-language-autonym="Nordfriisk" data-language-local-name="frisón setentrional" 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) – frisón occidental" lang="fy" hreflang="fy" data-title="Lins (optyk)" data-language-autonym="Frysk" data-language-local-name="frisón occidental" 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) – irlandés" lang="ga" hreflang="ga" data-title="Lionsa (optaic)" data-language-autonym="Gaeilge" data-language-local-name="irlandés" 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-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A2%D7%93%D7%A9%D7%94" title="עדשה – hebreo" lang="he" hreflang="he" data-title="עדשה" data-language-autonym="עברית" data-language-local-name="hebreo" 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 – hindi" lang="hi" hreflang="hi" data-title="लेंस" data-language-autonym="हिन्दी" data-language-local-name="hindi" 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) – croata" lang="hr" hreflang="hr" data-title="Leća (optika)" data-language-autonym="Hrvatski" data-language-local-name="croata" 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) – alto sorbio" lang="hsb" hreflang="hsb" data-title="Čóčka (optika)" data-language-autonym="Hornjoserbsce" data-language-local-name="alto sorbio" 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 – crioulo haitiano" lang="ht" hreflang="ht" data-title="Lantiy" data-language-autonym="Kreyòl ayisyen" data-language-local-name="crioulo haitiano" 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 – húngaro" lang="hu" hreflang="hu" data-title="Optikai lencse" data-language-autonym="Magyar" data-language-local-name="húngaro" 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 – armenio" lang="hy" hreflang="hy" data-title="Ոսպնյակներ" data-language-autonym="Հայերեն" data-language-local-name="armenio" 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 – indonesio" lang="id" hreflang="id" data-title="Lensa" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesio" 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 – ido" lang="io" hreflang="io" data-title="Lenso" data-language-autonym="Ido" data-language-local-name="ido" 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 – islandés" lang="is" hreflang="is" data-title="Linsa" data-language-autonym="Íslenska" data-language-local-name="islandés" 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 – italiano" lang="it" hreflang="it" data-title="Lente" data-language-autonym="Italiano" data-language-local-name="italiano" 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 – xaponés" lang="ja" hreflang="ja" data-title="レンズ" data-language-autonym="日本語" data-language-local-name="xaponés" 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 – xavanés" lang="jv" hreflang="jv" data-title="Lènsa" data-language-autonym="Jawa" data-language-local-name="xavanés" 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 – kazako" lang="kk" hreflang="kk" data-title="Линза" data-language-autonym="Қазақша" data-language-local-name="kazako" 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 – coreano" lang="ko" hreflang="ko" data-title="렌즈" data-language-autonym="한국어" data-language-local-name="coreano" 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 – kirguiz" lang="ky" hreflang="ky" data-title="Линза" data-language-autonym="Кыргызча" data-language-local-name="kirguiz" 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) – Lombard" lang="lmo" hreflang="lmo" data-title="Lenta (ottica)" data-language-autonym="Lombard" data-language-local-name="Lombard" 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) – lituano" lang="lt" hreflang="lt" data-title="Lęšis (optika)" data-language-autonym="Lietuvių" data-language-local-name="lituano" 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 – letón" lang="lv" hreflang="lv" data-title="Lēca" data-language-autonym="Latviešu" data-language-local-name="letón" 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) – macedonio" lang="mk" hreflang="mk" data-title="Леќа (оптика)" data-language-autonym="Македонски" data-language-local-name="macedonio" 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 – malabar" lang="ml" hreflang="ml" data-title="ലെൻസ്" data-language-autonym="മലയാളം" data-language-local-name="malabar" 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 – mongol" lang="mn" hreflang="mn" data-title="Линз" data-language-autonym="Монгол" data-language-local-name="mongol" 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 – malaio" lang="ms" hreflang="ms" data-title="Kanta" data-language-autonym="Bahasa Melayu" data-language-local-name="malaio" 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 – nepalí" lang="ne" hreflang="ne" data-title="कन्भेक्स लेन्स" data-language-autonym="नेपाली" data-language-local-name="nepalí" 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) – neerlandés" lang="nl" hreflang="nl" data-title="Lens (optica)" data-language-autonym="Nederlands" data-language-local-name="neerlandés" 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 – noruegués nynorsk" lang="nn" hreflang="nn" data-title="Optisk linse" data-language-autonym="Norsk nynorsk" data-language-local-name="noruegués nynorsk" 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 – noruegués bokmål" lang="nb" hreflang="nb" data-title="Optisk linse" data-language-autonym="Norsk bokmål" data-language-local-name="noruegués bokmål" 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 – oromo" lang="om" hreflang="om" data-title="Doo'innee" data-language-autonym="Oromoo" data-language-local-name="oromo" 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 – panxabí" lang="pa" hreflang="pa" data-title="ਲੈੱਨਜ਼" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panxabí" 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 – polaco" lang="pl" hreflang="pl" data-title="Soczewka" data-language-autonym="Polski" data-language-local-name="polaco" 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 – portugués" lang="pt" hreflang="pt" data-title="Lente" data-language-autonym="Português" data-language-local-name="portugués" 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 – quechua" lang="qu" hreflang="qu" data-title="Linti" data-language-autonym="Runa Simi" data-language-local-name="quechua" 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) – romanés" lang="ro" hreflang="ro" data-title="Lentilă (optică)" data-language-autonym="Română" data-language-local-name="romanés" 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 – ruso" lang="ru" hreflang="ru" data-title="Линза" data-language-autonym="Русский" data-language-local-name="ruso" 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 – siciliano" lang="scn" hreflang="scn" data-title="Lenti" data-language-autonym="Sicilianu" data-language-local-name="siciliano" 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 – sindhi" lang="sd" hreflang="sd" data-title="اپٽيل بلور" data-language-autonym="سنڌي" data-language-local-name="sindhi" 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 – serbocroata" lang="sh" hreflang="sh" data-title="Leća" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbocroata" 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 – cingalés" lang="si" hreflang="si" data-title="කාච" data-language-autonym="සිංහල" data-language-local-name="cingalés" 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) – eslovaco" lang="sk" hreflang="sk" data-title="Šošovka (optika)" data-language-autonym="Slovenčina" data-language-local-name="eslovaco" 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) – esloveno" lang="sl" hreflang="sl" data-title="Leča (optika)" data-language-autonym="Slovenščina" data-language-local-name="esloveno" 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 – albanés" lang="sq" hreflang="sq" data-title="Thjerra optike" data-language-autonym="Shqip" data-language-local-name="albanés" 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) – serbio" lang="sr" hreflang="sr" data-title="Сочиво (оптика)" data-language-autonym="Српски / srpski" data-language-local-name="serbio" 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 – sundanés" lang="su" hreflang="su" data-title="Lénsa" data-language-autonym="Sunda" data-language-local-name="sundanés" 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 – sueco" lang="sv" hreflang="sv" data-title="Lins" data-language-autonym="Svenska" data-language-local-name="sueco" 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 – suahili" lang="sw" hreflang="sw" data-title="Lenzi" data-language-autonym="Kiswahili" data-language-local-name="suahili" 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) – támil" lang="ta" hreflang="ta" data-title="வில்லை (ஒளியியல்)" data-language-autonym="தமிழ்" data-language-local-name="támil" 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) – telugu" lang="te" hreflang="te" data-title="కటకము (వస్తువు)" data-language-autonym="తెలుగు" data-language-local-name="telugu" 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 – taxico" lang="tg" hreflang="tg" data-title="Линза" data-language-autonym="Тоҷикӣ" data-language-local-name="taxico" 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) – tailandés" lang="th" hreflang="th" data-title="เลนส์ (ทัศนศาสตร์)" data-language-autonym="ไทย" data-language-local-name="tailandés" 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) – tagalo" lang="tl" hreflang="tl" data-title="Lente (optika)" data-language-autonym="Tagalog" data-language-local-name="tagalo" 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 – turco" lang="tr" hreflang="tr" data-title="Mercek" data-language-autonym="Türkçe" data-language-local-name="turco" 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 – tártaro" lang="tt" hreflang="tt" data-title="Линза" data-language-autonym="Татарча / tatarça" data-language-local-name="tártaro" 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 – ucraíno" lang="uk" hreflang="uk" data-title="Лінза" data-language-autonym="Українська" data-language-local-name="ucraíno" 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) – urdú" lang="ur" hreflang="ur" data-title="عدسہ (بصریات)" data-language-autonym="اردو" data-language-local-name="urdú" 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 – uzbeko" lang="uz" hreflang="uz" data-title="Linza" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeko" 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 – vietnamita" lang="vi" hreflang="vi" data-title="Thấu kính" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" 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 – waray-waray" lang="war" hreflang="war" data-title="Lente" data-language-autonym="Winaray" data-language-local-name="waray-waray" 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 – chinés wu" lang="wuu" hreflang="wuu" data-title="透镜" data-language-autonym="吴语" data-language-local-name="chinés wu" 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 – yiddish" lang="yi" hreflang="yi" data-title="לינדז" data-language-autonym="ייִדיש" data-language-local-name="yiddish" 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 – chinés" lang="zh" hreflang="zh" data-title="透镜" data-language-autonym="中文" data-language-local-name="chinés" 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 – cantonés" lang="yue" hreflang="yue" data-title="透鏡" data-language-autonym="粵語" data-language-local-name="cantonés" 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="Editar as ligazóns interlingüísticas" class="wbc-editpage">Editar as ligazóns</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="Espazos de nomes"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div 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</div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Noutros proxectos </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>Wikimedia Commons</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="Ligazón ao elemento conectado no repositorio de datos [g]" accesskey="g"><span>Elemento de Wikidata</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="Ferramentas das páxinas"> <div id="vector-page-tools-pinned-container" 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</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">Na Galipedia, a Wikipedia en galego.</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="gl" dir="ltr"><dl><dd><i>Para outros significados véxase <a href="/wiki/Lente_(hom%C3%B3nimos)" class="mw-redirect mw-disambig" title="Lente (homónimos)">Lente (homónimos)</a></i>.</dd></dl> <p>En <a href="/wiki/%C3%93ptica" title="Óptica">óptica</a>, unha <b>lente</b> é un obxecto transparente (normalmente de <a href="/wiki/Vidro" title="Vidro">vidro</a>), limitado por dúas superficies das que polo menos unha é curva, destinado a facer converxer ou diverxer a luz. Noutras palabras, é un <a href="/wiki/%C3%93ptica" title="Óptica">sistema óptico</a>, formado por un medio ou un obxecto, que concentra ou dispersa raios de luz. </p><p>Dunha maneira máis detallada pode definirse unha lente como un sistema óptico formado por dúas superficies refrinxentes cun eixe común, denominado eixe principal, unha das cales, polo menos, é curva. Os raios de <a href="/wiki/Luz" title="Luz">luz</a> que, procedentes dun obxecto, atravesan a lente son desviados da súa traxectoria orixinal e dan lugar a unha imaxe cuxas características dependen do tipo de lente e da posición relativa do obxecto e da lente. </p> <figure typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Lenso.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Lenso.jpg/250px-Lenso.jpg" decoding="async" width="250" height="186" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Lenso.jpg/375px-Lenso.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/Lenso.jpg/500px-Lenso.jpg 2x" data-file-width="809" data-file-height="602" /></a><figcaption>Unha lente.</figcaption></figure> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Etimoloxía"><span id="Etimolox.C3.ADa"></span>Etimoloxía</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=1" title="Editar a sección: «Etimoloxía»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=1" title="Editar o código fonte da sección: Etimoloxía"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A palabra lente provén do <a href="/wiki/Lingua_latina" title="Lingua latina">latín</a> <i>lens, lentis</i>, que significa 'lentella', polo que as lentes ópticas se denominan así, dado o parecido da súa forma coa do legume.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> </p><p>No <a href="/wiki/S%C3%A9culo_XIII" title="Século XIII">século XIII</a> empezaron a fabricarse pequenos discos de vidro que podían montarse sobre un marco. Foron os primeiros lentes, usados para ler libros. </p> <div class="mw-heading mw-heading2"><h2 id="Historia">Historia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=2" title="Editar a sección: «Historia»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=2" title="Editar o código fonte da sección: Historia"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Foi en <a href="/wiki/N%C3%ADnive" title="Nínive">Nínive</a>, antiga capital do <a href="/wiki/Asiria" title="Asiria">Imperio asirio</a>, onde, no <a href="/wiki/S%C3%A9culo_XIX" title="Século XIX">século XIX</a>, Sir Austen Henry Layard descubriu os primeiros vidros lentiformes, en <a href="/wiki/Estrato_(xeolox%C3%ADa)" title="Estrato (xeoloxía)">estratos</a> datados en 4000 anos antes da nosa era. Ignórase para que servían exactamente, pero este descubrimento suscita numerosas preguntas porque esta cidade foi durante longo tempo o gran centro comercial e cultural do <a href="/wiki/Medio_Oriente" class="mw-redirect" title="Medio Oriente">Medio Oriente</a>, e porque a vulgarización dos coñecementos adquiridos é unha práctica rara na <a href="/wiki/Idade_Antiga" title="Idade Antiga">Antigüidade</a>. </p><p>As primeiras mencións inequívocas da utilización dunha lente proveñen da <a href="/wiki/Grecia_antiga" title="Grecia antiga">Grecia antiga</a>. <a href="/wiki/Arist%C3%B3fanes" title="Aristófanes">Aristófanes</a> menciona na súa obra <i>As nubes</i>, escrita en <a href="/wiki/423" title="423">423</a> a.C., un <i>vaso de lume</i> (unha lente converxente utilizada para producir <a href="/wiki/Lume" title="Lume">lume</a> concentrando nun punto os <a href="/w/index.php?title=Raio_(luz)&action=edit&redlink=1" class="new" title="Raio (luz) (a páxina aínda non existe)">raios solares</a>). </p><p>Os escritos de <a href="/wiki/Plinio_o_Vello" title="Plinio o Vello">Plinio o Vello</a> (<a href="/wiki/23" title="23">23</a> - <a href="/wiki/79" title="79">79</a>) mostran igualmente que un dispositivo como aquel era coñecido no <a href="/wiki/Imperio_romano" class="mw-redirect" title="Imperio romano">Imperio romano</a>. Menciona tamén o que pode interpretarse como a primeira utilización dunha lente para corrixir a <a href="/wiki/Vista" class="mw-redirect" title="Vista">vista</a> describindo o uso que facía <a href="/wiki/Ner%C3%B3n" title="Nerón">Nerón</a> dunha <a href="/wiki/Esmeralda" title="Esmeralda">esmeralda</a> de forma convexa nos espectáculos de <a href="/wiki/Gladiador" title="Gladiador">gladiadores</a> (probabelmente para corrixir unha <a href="/wiki/Miop%C3%ADa" title="Miopía">miopía</a>). </p><p><a href="/w/index.php?title=S%C3%A9nca_o_Novo&action=edit&redlink=1" class="new" title="Sénca o Novo (a páxina aínda non existe)">Sénca o Novo</a> (<a href="/wiki/3" title="3">3</a> a.C. - <a href="/wiki/65" title="65">65</a> d.C.) describe o efecto engrandecedor dun globo de vidro cheo de <a href="/wiki/Auga" title="Auga">auga</a>. </p><p>O <a href="/wiki/Matem%C3%A1tico" class="mw-redirect" title="Matemático">matemático</a> <a href="/wiki/Arabia" class="mw-redirect" title="Arabia">árabe</a> <a href="/wiki/Alhazen" title="Alhazen">Alhazen</a> (<a href="/wiki/965" title="965">965</a> - <a href="/wiki/1038" title="1038">1038</a>), escribiu o primeiro tratado de óptica no que describe como o <a href="/wiki/Cristalino" title="Cristalino">cristalino</a> forma unha imaxe na <a href="/wiki/Retina" title="Retina">retina</a>. </p><p>Porén, as lentes non foron utilizadas polo gran público antes da xeneralización dos <a href="/wiki/Anteollos" title="Anteollos">anteollos</a>, probabelmente inventados en <a href="/wiki/Italia" title="Italia">Italia</a> nos anos <a href="/wiki/1280" title="1280">1280</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Tipos_de_lentes">Tipos de lentes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=3" title="Editar a sección: «Tipos de lentes»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=3" title="Editar o código fonte da sección: Tipos de lentes"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As lentes poden ser menos ou máis largas no centro que nos extremos. Falamos de <b>lentes converxentes</b>, porque os raios de luz que inciden se concentran, converxen, nun punto; as <i>lentes converxentes</i> son máis grosas no centro que nos extremos. Hainas de tres tipos: <b>biconvexas</b>, <b>concavoconvexas</b> e <b>planoconvexas</b>. Estas lentes fan converxer os raios paralelos un punto denominado <b><a href="/w/index.php?title=Foco&action=edit&redlink=1" class="new" title="Foco (a páxina aínda non existe)">foco</a></b>. </p><p>Por outra banda, as <b>lentes diverxentes</b> son máis grosas nos extremos que no centro. Cando un feixe de luz incide nelas, separárase, diverxe. Hainas tamén de tres tipos: <b>bicóncavas</b>, <b>convexocóncavas</b> e <b>planocóncavas</b>. Estas lentes fan que os raios paralelos que incidan nelas diverxan. As prolongacións destes raios converxen no <a href="/w/index.php?title=Foco&action=edit&redlink=1" class="new" title="Foco (a páxina aínda non existe)">punto focal</a>. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Tipos_de_Lentes.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Tipos_de_Lentes.svg/400px-Tipos_de_Lentes.svg.png" decoding="async" width="400" height="148" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Tipos_de_Lentes.svg/600px-Tipos_de_Lentes.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Tipos_de_Lentes.svg/800px-Tipos_de_Lentes.svg.png 2x" data-file-width="411" data-file-height="152" /></a><figcaption>Tipos principais de lentes.</figcaption></figure> <p>As lentes máis comúns baséanse no diferente grao de refracción que experimenten os raios de luz cando inciden en puntos diferentes da lente. As máis coñecidas son as <a href="/wiki/Lupa" title="Lupa">lupas</a> e as que se utilizan para corrixir os problemas de visión, como as dos <a href="/wiki/Lentes" title="Lentes">lentes</a> ou <a href="/wiki/Anteollos" title="Anteollos">anteollos</a> e as <a href="/w/index.php?title=Lente_de_contacto&action=edit&redlink=1" class="new" title="Lente de contacto (a páxina aínda non existe)">lentes de contacto</a>. Tamén se usan lentes, ou combinacións de lentes e <a href="/wiki/Espello" title="Espello">espellos</a>, en <a href="/wiki/Telescopio" title="Telescopio">telescopios</a> e <a href="/wiki/Microscopio" title="Microscopio">microscopios</a>. O primeiro telescopio astronómico foi construído por <a href="/wiki/Galileo_Galilei" title="Galileo Galilei">Galileo Galilei</a> usando dúas lentes converxentes (unha como <a href="/wiki/Obxectivo" title="Obxectivo">obxectivo</a> e outra como <a href="/w/index.php?title=Ocular&action=edit&redlink=1" class="new" title="Ocular (a páxina aínda non existe)">ocular</a>). O primeiro que utilizou un microscopio foi o holandés <a href="/wiki/Antoni_van_Leeuwenhoek" title="Antoni van Leeuwenhoek">Antoni van Leeuwenhoek</a> (1632 - 1723).<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>2<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Elementos_das_lentes">Elementos das lentes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=4" title="Editar a sección: «Elementos das lentes»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=4" title="Editar o código fonte da sección: Elementos das lentes"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As lentes teñen unha serie de elementos básicos: </p> <ul><li><b> Eixe principal</b>, o eixe que atravesa ás lentes perpendicularmente.</li> <li><b>Centro óptico</b>, se a lente é regular, coincide co centra xeométrico da lente.</li> <li><b>Foco principal</b> (F), para unha lente converxente, o punto onde coinciden os raios e, para unha diverxente o punto onde coinciden as prolongacións do raio. Toda lente ten dous focos, F e F'.</li> <li><b>Distancia focal</b> (f), a distancia dese o foco ao centro óptico.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Outros_tipos_de_lentes">Outros tipos de lentes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=5" title="Editar a sección: «Outros tipos de lentes»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=5" title="Editar o código fonte da sección: Outros tipos de lentes"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Existen tamén instrumentos capaces de facer converxer ou diverxer outros tipos de <a href="/wiki/Onda_electromagn%C3%A9tica" title="Onda electromagnética">ondas electromagnéticas</a> e aos que se denomina tamén lentes. Por exemplo, nos <a href="/wiki/Microscopio_electr%C3%B3nico" title="Microscopio electrónico">microscopios electrónicos</a> as lentes son chorros de electróns, de carácter magnético. </p><p>En <a href="/wiki/Astrof%C3%ADsica" title="Astrofísica">astrofísica</a> é posíbel observar fenómenos con <a href="/wiki/Lente_gravitacional" title="Lente gravitacional">lentes gravitacionais</a> cando a luz procedente de obxectos moi distantes pasa cerca de obxectos masivos, e se curva na súa traxectoria. </p> <div class="mw-heading mw-heading3"><h3 id="Lente_de_Luneburg">Lente de Luneburg</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=6" title="Editar a sección: «Lente de Luneburg»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=6" title="Editar o código fonte da sección: Lente de Luneburg"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A <b>lente de Luneburg</b> consiste nunha lente que ten a propiedade de concentrar os raios dunha onda plana incidente nun punto da súa superficie, diametralmente oposta á dirección de incidencia. Coa esfera ten simetría de revolución, a propiedade é complexa con independencia da dirección de incidencia. A lente é unha esfera de radio r<sub>0</sub>, cun índice de refracción que varía de acordo coa lei seguinte: <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 n={\sqrt {\epsilon }}={\sqrt {2-\left({\frac {r}{r_{0}}}\right)^{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mi>ϵ</mi> </msqrt> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>2</mn> <mo>−</mo> <msup> <mrow> <mo>(</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>r</mi> <msub> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mfrac> </mrow> <mo>)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n={\sqrt {\epsilon }}={\sqrt {2-\left({\frac {r}{r_{0}}}\right)^{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/865563faeb75743e01073498338a5a5216c8f519" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.005ex; width:24.213ex; height:7.676ex;" alt="{\displaystyle n={\sqrt {\epsilon }}={\sqrt {2-\left({\frac {r}{r_{0}}}\right)^{2}}}}"></span> </p><p>No centro da esfera o índice de refracción vale <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 {\sqrt {2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>2</mn> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\sqrt {2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b4afc1e27d418021bf10898eb44a7f5f315735ff" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.098ex; height:3.009ex;" alt="{\displaystyle {\sqrt {2}}}"></span> e diminúe gradualmente até a periferia, onde vale 1. </p><p>En óptica é difícil conseguir este control dos materiais, pero coa frecuencias de microondas pódese facer se se utilizan lentes de Lunenberg modificadas con reflectores retrodirectivos como o radar: recóbrese a semiesfera posterior dunha lente de Lunenberg cun material reflector, como por exemplo aluminio, e así conséguese que a onda incidente e a reflectida teñan a mesma dirección. </p> <div class="mw-heading mw-heading3"><h3 id="Lentes_artificiais">Lentes artificiais</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=7" title="Editar a sección: «Lentes artificiais»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=7" title="Editar o código fonte da sección: Lentes artificiais"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Adoitan denominarse <b>lentes artificiais</b> ás construídas con materiais artificiais non homoxéneos, de modo que o seu comportamento exhibe índices de refracción menores que a unidade <sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span>[</span>3<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Notas">Notas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=8" title="Editar a sección: «Notas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=8" title="Editar o código fonte da sección: Notas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist columns references-column-width" style="-moz-column-width: 30em; -webkit-column-width: 30em; column-width: 30em; list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.planetacurioso.com/2007/07/25/cual-es-el-origen-de-la-palabra-lente/">Cal é a orixe da palabra Lente? en <i>Planeta curioso</i></a> <i>(en <a href="/wiki/Lingua_castel%C3%A1" title="Lingua castelá">castelán</a>)</i></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Crese que o microscopio foi inventado en 1590 por Hans Janssen e o seu pai Zacharias, dous holandeses fabricantes de anteollos, pero todo indica, porén, que o primeiro en facer observacións microscópicas de materiais biolóxicos foi Leeuwenhoek.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Convén recordar que a velocidade de fase pode ser maior que a velocidade da luz no baleiro), co que, por exemplo, podemos ter lentes biconvexas diverxentes. Este tipo de lentes é útil para microondas, e só ultimamente se describiron materiais con esta propiedade para frecuencias ópticas.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Véxase_tamén"><span id="V.C3.A9xase_tam.C3.A9n"></span>Véxase tamén</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=9" title="Editar a sección: «Véxase tamén»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=9" title="Editar o código fonte da sección: Véxase tamén"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Outros_artigos">Outros artigos</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=10" title="Editar a sección: «Outros artigos»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=10" title="Editar o código fonte da sección: Outros artigos"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=Colimador&action=edit&redlink=1" class="new" title="Colimador (a páxina aínda non existe)">Colimador</a>.</li> <li><a href="/wiki/Lente_de_Fresnel" title="Lente de Fresnel">Lente de Fresnel</a>.</li> <li><a href="/w/index.php?title=Lente_de_contacto&action=edit&redlink=1" class="new" title="Lente de contacto (a páxina aínda non existe)">Lente de contacto</a>.</li> <li><a href="/wiki/Lentes" title="Lentes">Lentes</a>.</li> <li><a href="/w/index.php?title=Vidro_flint&action=edit&redlink=1" class="new" title="Vidro flint (a páxina aínda non existe)">Vidro flint</a>.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Ligazóns_externas"><span id="Ligaz.C3.B3ns_externas"></span>Ligazóns externas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&veaction=edit&section=11" title="Editar a sección: «Ligazóns externas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lente_(%C3%B3ptica)&action=edit&section=11" title="Editar o código fonte da sección: Ligazóns externas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <table role="presentation" class="mbox-small plainlinks sistersitebox" style="background-color:var(--background-color-neutral-subtle, #f8f9fa);border:1px solid var(--border-color-base, #a2a9b1);color:inherit"> <tbody><tr> <td class="mbox-image"><span class="noviewer" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></td> <td class="mbox-text plainlist"><a href="https://commons.wikimedia.org/wiki/Portada_galega" class="extiw" title="commons:Portada galega">Wikimedia Commons</a> ten máis contidos multimedia na categoría:  <i><b><a href="https://commons.wikimedia.org/wiki/Category:Lenses" class="extiw" title="commons:Category:Lenses">lentes</a></b></i></td></tr> </tbody></table> <ul><li><a rel="nofollow" class="external text" href="http://www.educaplus.org/luz/lente1.html">A luz e as súas propiedades - Lentes</a> <i>(en <a href="/wiki/Lingua_castel%C3%A1" title="Lingua castelá">castelán</a>)</i>.</li></ul> <div role="navigation" class="navbox" aria-labelledby="Control_de_autoridades" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Control_de_autoridades" scope="row" class="navbox-group" style="width:1%;width: 12%; 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