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vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sadržaj</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">premjesti</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">sakrij</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">Početak</div> </a> </li> <li id="toc-Vidni_kut_i_povećanje_optičkih_instrumenata" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Vidni_kut_i_povećanje_optičkih_instrumenata"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Vidni kut i povećanje optičkih instrumenata</span> </div> </a> <ul id="toc-Vidni_kut_i_povećanje_optičkih_instrumenata-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vidno_polje" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Vidno_polje"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Vidno polje</span> </div> </a> <button aria-controls="toc-Vidno_polje-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>Sadržaj cjeline Vidno polje</span> </button> <ul id="toc-Vidno_polje-sublist" class="vector-toc-list"> <li id="toc-Vidno_polje_u_astronomiji" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Vidno_polje_u_astronomiji"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Vidno polje u astronomiji</span> </div> </a> <ul id="toc-Vidno_polje_u_astronomiji-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Izvori" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Izvori"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Izvori</span> </div> </a> <ul id="toc-Izvori-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="Sadržaj" 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="Prikaz sadržaja stranice" > <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">Prikaz sadržaja stranice</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">Vidni kut</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="Idi na druge jezične varijante članka. Dostupan je na 6 jezika" > <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-6" 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">6 jezika</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B2%D8%A7%D9%88%D9%8A%D8%A9_%D8%A8%D8%B5%D8%B1%D9%8A%D8%A9" title="زاوية بصرية – arapski" lang="ar" hreflang="ar" data-title="زاوية بصرية" data-language-autonym="العربية" data-language-local-name="arapski" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Sehwinkel" title="Sehwinkel – njemački" lang="de" hreflang="de" data-title="Sehwinkel" data-language-autonym="Deutsch" data-language-local-name="njemački" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Visual_angle" title="Visual angle – engleski" lang="en" hreflang="en" data-title="Visual angle" data-language-autonym="English" data-language-local-name="engleski" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%A6%96%E8%A7%92" title="視角 – japanski" lang="ja" hreflang="ja" data-title="視角" data-language-autonym="日本語" data-language-local-name="japanski" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Zorn%C3%BD_uhol_(oftalmol%C3%B3gia)" title="Zorný uhol (oftalmológia) – slovački" lang="sk" hreflang="sk" data-title="Zorný uhol (oftalmológia)" data-language-autonym="Slovenčina" data-language-local-name="slovački" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%92%D1%96%D0%B7%D1%83%D0%B0%D0%BB%D1%8C%D0%BD%D0%B8%D0%B9_%D0%BA%D1%83%D1%82" title="Візуальний кут – ukrajinski" lang="uk" hreflang="uk" data-title="Візуальний кут" data-language-autonym="Українська" data-language-local-name="ukrajinski" class="interlanguage-link-target"><span>Українська</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/Q336092#sitelinks-wikipedia" title="Poveznice na druge jezike" class="wbc-editpage">Uredi poveznice</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="Imenski prostori"> <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/Vidni_kut" title="Pogledaj sadržaj [c]" accesskey="c"><span>Stranica</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Razgovor:Vidni_kut&action=edit&redlink=1" rel="discussion" class="new" title="Razgovorna stranica (stranica ne postoji) [t]" accesskey="t"><span>Razgovor</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" 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href="/wiki/Vidni_kut"><span>Čitaj</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Vidni_kut&veaction=edit" title="Uredite ovu stranicu [v]" accesskey="v"><span>Uredi</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Vidni_kut&action=edit" title="Uredite izvorni kôd ove stranice [e]" accesskey="e"><span>Uredi kôd</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Vidni_kut&action=history" title="Ranije izmjene na ovoj stranici [h]" accesskey="h"><span>Vidi povijest</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Pomagala"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Pomagala" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Pomagala</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">Pomagala</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">premjesti</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">sakrij</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Više mogućnosti" > <div class="vector-menu-heading"> Radnje </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/Vidni_kut"><span>Čitaj</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Vidni_kut&veaction=edit" title="Uredite ovu stranicu [v]" accesskey="v"><span>Uredi</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Vidni_kut&action=edit" title="Uredite izvorni kôd ove stranice [e]" accesskey="e"><span>Uredi kôd</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Vidni_kut&action=history"><span>Vidi povijest</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Razno </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Posebno:%C5%A0to_vodi_ovamo/Vidni_kut" title="Popis svih stranica koje sadrže poveznice na ovu stranicu [j]" accesskey="j"><span>Što vodi ovamo</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Posebno:Povezane_promjene/Vidni_kut" rel="nofollow" title="Nedavne promjene na stranicama koje su povezane s navedenom stranicom [k]" accesskey="k"><span>Povezane promjene</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedija:Upload" title="Postavi datoteke [u]" accesskey="u"><span>Postavi datoteku</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Posebno:Posebne_stranice" title="Popis svih posebnih stranica [q]" accesskey="q"><span>Posebne stranice</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Vidni_kut&oldid=6430098" title="Trajna poveznica na ovu verziju stranice"><span>Trajna poveznica</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Vidni_kut&action=info" title="Više informacija o ovoj stranici"><span>Podatci o stranici</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Posebno:Citiraj&page=Vidni_kut&id=6430098&wpFormIdentifier=titleform" title="Informacije o tome kako citirati ovu stranicu"><span>Citiraj ovu stranicu</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Posebno:Skra%C4%87iva%C4%8D_adresa&url=https%3A%2F%2Fhr.wikipedia.org%2Fwiki%2FVidni_kut"><span>Skraćeni URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Posebno:QrCode&url=https%3A%2F%2Fhr.wikipedia.org%2Fwiki%2FVidni_kut"><span>Preuzmi QR kôd</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"> Ispis/izvoz </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=Posebno:Zbirka&bookcmd=book_creator&referer=Vidni+kut"><span>Stvori knjigu</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Posebno:DownloadAsPdf&page=Vidni_kut&action=show-download-screen"><span>Preuzmi kao PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Vidni_kut&printable=yes" title="Inačica za ispis ove stranice [p]" accesskey="p"><span>Inačica za ispis</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"> Wikimedijini projekti </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/Q336092" title="Poveznica na stavku na projektu Wikipodatci [g]" accesskey="g"><span>Stavka na Wikipodatcima</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="Pomagala"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Izgled"> <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">Izgled</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">premjesti</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">sakrij</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">Izvor: Wikipedija</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="hr" dir="ltr"><figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Datoteka:EyeOpticsV400y.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/EyeOpticsV400y.jpg/300px-EyeOpticsV400y.jpg" decoding="async" width="300" height="212" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/2/23/EyeOpticsV400y.jpg 1.5x" data-file-width="400" data-file-height="282" /></a><figcaption>Skica koja pokazuje vidni kut <i>V</i>.</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Datoteka:Vertikaler_und_horizontaler_Sehwinkel_1.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Vertikaler_und_horizontaler_Sehwinkel_1.png/300px-Vertikaler_und_horizontaler_Sehwinkel_1.png" decoding="async" width="300" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Vertikaler_und_horizontaler_Sehwinkel_1.png/450px-Vertikaler_und_horizontaler_Sehwinkel_1.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/61/Vertikaler_und_horizontaler_Sehwinkel_1.png/600px-Vertikaler_und_horizontaler_Sehwinkel_1.png 2x" data-file-width="2604" data-file-height="1560" /></a><figcaption><a href="/wiki/Ljudsko_oko" title="Ljudsko oko">Ljudsko oko</a> ima vidni kut od 200˚ i može razlikovati 10 milijuna nijansi boja.</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Datoteka:Magnifying_glass2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Magnifying_glass2.jpg/300px-Magnifying_glass2.jpg" decoding="async" width="300" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Magnifying_glass2.jpg/450px-Magnifying_glass2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/50/Magnifying_glass2.jpg/600px-Magnifying_glass2.jpg 2x" data-file-width="3456" data-file-height="2304" /></a><figcaption><a href="/wiki/Uve%C4%87anje_le%C4%87e" title="Uvećanje leće">Uvećanje slike</a> se može ostvariti <a href="/wiki/Pove%C4%87alo" title="Povećalo">povećalom</a>.</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Datoteka:Angle_of_view.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Angle_of_view.svg/300px-Angle_of_view.svg.png" decoding="async" width="300" height="248" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Angle_of_view.svg/450px-Angle_of_view.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Angle_of_view.svg/600px-Angle_of_view.svg.png 2x" data-file-width="425" data-file-height="351" /></a><figcaption><a href="/wiki/Vidno_polje_(astronomija)" title="Vidno polje (astronomija)">Vidno polje</a> se može mjeriti vodoravno, okomito ili dijagonalno.</figcaption></figure> <p><b>Vidni kut</b> je <a href="/wiki/Kut" title="Kut">kut</a> što ga zatvaraju <a href="/wiki/Svjetlost" title="Svjetlost">svjetlosne</a> <a href="/wiki/Zraka" class="mw-disambig" title="Zraka">zrake</a> koje u oko dopiru s dviju rubnih točaka promatranoga <a href="/wiki/Tijelo_(fizika)" title="Tijelo (fizika)">predmeta</a>. Na primjer <a href="/wiki/Krug" title="Krug">krug</a> <a href="/wiki/Promjer" title="Promjer">promjera</a> 10 <a href="/wiki/Milimetar" class="mw-redirect" title="Milimetar">milimetara</a> na <a href="/wiki/Udaljenost" class="mw-redirect" title="Udaljenost">udaljenosti</a> 1 <a href="/wiki/Metar" title="Metar">metar</a> vidi se pod istim (0,57°) vidnim kutom kao krug promjera 20 milimetara na udaljenosti 2 metra. Promjena vidnoga kuta može se postići korištenjem <a href="/wiki/Pove%C4%87alo" title="Povećalo">povećala</a>, <a href="/wiki/Mikroskop" title="Mikroskop">mikroskopa</a>, <a href="/wiki/Dalekozor" title="Dalekozor">dalekozora</a> i drugog. Tada <a href="/wiki/Slika" class="mw-disambig" title="Slika">slika</a> predmeta zbog loma (<a href="/wiki/Refrakcija" title="Refrakcija">refrakcija</a>) ili <a href="/wiki/Refleksija" title="Refleksija">odbijanja svjetlosti</a> zauzima veće područje <a href="/wiki/Vidno_polje" title="Vidno polje">vidnoga polja</a> te tako slika predmeta izgleda veća, odnosno predmet bliži.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Vidni_kut_i_povećanje_optičkih_instrumenata"><span id="Vidni_kut_i_pove.C4.87anje_opti.C4.8Dkih_instrumenata"></span>Vidni kut i povećanje optičkih instrumenata</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vidni_kut&veaction=edit&section=1" title="Uredi odlomak: Vidni kut i povećanje optičkih instrumenata" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vidni_kut&action=edit&section=1" title="Uredi kôd odjeljka Vidni kut i povećanje optičkih instrumenata"><span>uredi kôd</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="margin-left:0.3rem"><i><style data-mw-deduplicate="TemplateStyles:r7016135">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><a href="/wiki/Datoteka:Vista-xmag.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/18px-Vista-xmag.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/27px-Vista-xmag.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/36px-Vista-xmag.png 2x" data-file-width="128" data-file-height="128" /></a></span> Podrobniji članak o temi: <a href="/wiki/Uve%C4%87anje_le%C4%87e" title="Uvećanje leće">Uvećanje leće</a></div></i></div> <p>Subjektivni osjećaj veličine nekog predmeta određuje se veličinom slike na <a href="/wiki/Ljudsko_oko" title="Ljudsko oko">mrežnici oka</a>. Veličina slike je određena vidnim kutom, to jest kutom što ga čine krajnje zrake koje dolaze s tog predmeta u naše oko. Što je vidni kut veći, to je slika u oku veća. Zato se vidni kut zove također <b>prividna veličina</b> predmeta. </p><p>Vidni kut možemo povećati tako da predmet približimo oku. Ako je predmet vrlo dalek ili vrlo sitan, onda je vidni kut pod kojim ga gledamo premalen, pa predmet slabo vidimo. Približimo li predmet suviše oku, slika neće biti oštra, jer se <a href="/wiki/O%C4%8Dna_le%C4%87a" class="mw-redirect" title="Očna leća">očna leća</a> ne može više ispupčiti, to jest prilagoditi toj blizini. Zato se za povećanje slike, odnosno povećanje vidnog kuta, služimo optičkim instrumentima. Za povećanje vidnog kuta bližih sitnih predmeta služi <a href="/wiki/Pove%C4%87alo" title="Povećalo">povećalo</a> (<a href="/wiki/Lupa" class="mw-redirect" title="Lupa">lupa</a>) i <a href="/wiki/Mikroskop" title="Mikroskop">mikroskop</a>, a za povećanje dalekih predmeta <a href="/wiki/Dalekozor" title="Dalekozor">dalekozor</a>. Povećanje vidnog kuta koje vrši optički instrument jednako je omjeru prividne veličine predmeta što ga gledamo kroz instrument i prividne veličine tog predmeta kad ga gledamo bez instrumenta.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Uve%C4%87anje_le%C4%87e" title="Uvećanje leće">Uvećanje leće</a> ili <a href="/wiki/Pove%C4%87anje_le%C4%87e" class="mw-redirect" title="Povećanje leće">povećanje leće</a> <i>m</i> je količnik <a href="/wiki/Udaljenost" class="mw-redirect" title="Udaljenost">udaljenosti</a> slike <i>a</i> i predmeta <i>b</i>:<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m=-{\frac {a}{b}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>m</mi> <mo>=</mo> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>a</mi> <mi>b</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m=-{\frac {a}{b}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b520ef49763c8867cbf300c424b6cbed95dc3b6c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:9.013ex; height:4.843ex;" alt="{\displaystyle m=-{\frac {a}{b}}}"></span></dd></dl> <p>minusom se naglašava suprotna orijentacija slike i predmeta (obrnuta slika). Iz gornjeg izraza razabiremo da povećanje ovisi o udaljenosti predmeta od leće. Što je udaljenost predmeta od leće manja, veće je povećanje slike. Međutim, povećanje ovisi također i o žarišnoj daljini. Što je žarišna daljina veća, veća je udaljenost slike, a time je i veće povećanje. Prema tome, <b>leće veće žarišne daljine daju i veće realne slike.</b> </p> <div class="mw-heading mw-heading2"><h2 id="Vidno_polje">Vidno polje</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vidni_kut&veaction=edit&section=2" title="Uredi odlomak: Vidno polje" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vidni_kut&action=edit&section=2" title="Uredi kôd odjeljka Vidno polje"><span>uredi kôd</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="margin-left:0.3rem"><i><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r7016135"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><a href="/wiki/Datoteka:Vista-xmag.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/18px-Vista-xmag.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/27px-Vista-xmag.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/36px-Vista-xmag.png 2x" data-file-width="128" data-file-height="128" /></a></span> Podrobniji članak o temi: <a href="/wiki/Vidno_polje" title="Vidno polje">Vidno polje</a></div></i></div> <p><b>Vidno polje</b> je dio <a href="/wiki/Prostor" title="Prostor">prostora</a> koji jedno oko zamjećuje dok je pogled usmjeren u jednu točku. Kut između odabrane i rubne (periferne) točke iznosi prema nosu i prema gore do 60°, prema dolje 70°, a postrance 100°. Cjelokupno vidno polje obaju očiju ovisi o njihovu anatomskom položaju u glavi i o fizičkom stanju. Vidno polje se smanjuje kod umora (normalno smanjenje) kao i kod oštećenja vidnoga živca, tumora i drugog (abnormalno smanjenje). </p> <div class="mw-heading mw-heading3"><h3 id="Vidno_polje_u_astronomiji">Vidno polje u astronomiji</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vidni_kut&veaction=edit&section=3" title="Uredi odlomak: Vidno polje u astronomiji" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vidni_kut&action=edit&section=3" title="Uredi kôd odjeljka Vidno polje u astronomiji"><span>uredi kôd</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="margin-left:0.3rem"><i><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r7016135"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><a href="/wiki/Datoteka:Vista-xmag.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/18px-Vista-xmag.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/27px-Vista-xmag.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/36px-Vista-xmag.png 2x" data-file-width="128" data-file-height="128" /></a></span> Podrobniji članak o temi: <a href="/wiki/Vidno_polje_(astronomija)" title="Vidno polje (astronomija)">Vidno polje (astronomija)</a></div></i></div> <p><b>Vidno polje</b>, u <a href="/wiki/Astronomija" title="Astronomija">astronomiji</a>, je dio <a href="/wiki/Nebo" title="Nebo">neba</a> ili <a href="/wiki/Nebeska_sfera" title="Nebeska sfera">nebeske sfere</a> koji se zapaža <a href="/wiki/Teleskop" title="Teleskop">teleskopom</a>. Ovisi o konstrukciji teleskopa. Što je teleskop veći, obično je vidno polje manje, najčešće manje od 1<a href="/wiki/Stupanj_(kut)" title="Stupanj (kut)">°</a>, na primjer vidno je polje <a href="/wiki/Svemirski_teleskop_Hubble" title="Svemirski teleskop Hubble">Hubbleova svemirskoga teleskopa</a> 10<a href="/wiki/Stupanj_(kut)" title="Stupanj (kut)">"</a>. Neki su teleskopi oblikovani tako da imaju veliko vidno polje, na primjer vidno je polje Schmidtova teleskopa 30°.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Izvori">Izvori</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vidni_kut&veaction=edit&section=4" title="Uredi odlomak: Izvori" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vidni_kut&action=edit&section=4" title="Uredi kôd odjeljka Izvori"><span>uredi kôd</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r6541845">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"> <b>vidni kut</b>, <a rel="nofollow" class="external autonumber" href="http://www.enciklopedija.hr/Natuknica.aspx?ID=64524">[1]</a> "Hrvatska enciklopedija", Leksikografski zavod Miroslav Krleža, www.enciklopedija.hr, 2017.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"> Velimir Kruz: "Tehnička fizika za tehničke škole", "Školska knjiga" Zagreb, 1969.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"> <b>leća</b>, <a rel="nofollow" class="external autonumber" href="http://www.enciklopedija.hr/Natuknica.aspx?ID=35780">[2]</a> "Hrvatska enciklopedija", Leksikografski zavod Miroslav Krleža, www.enciklopedija.hr, 2017.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"> <b>vidno polje</b>, <a rel="nofollow" class="external autonumber" href="http://www.enciklopedija.hr/natuknica.aspx?ID=64526">[3]</a> "Hrvatska enciklopedija", Leksikografski zavod Miroslav Krleža, www.enciklopedija.hr, 2016.</span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Dobavljeno iz "<a dir="ltr" href="https://hr.wikipedia.org/w/index.php?title=Vidni_kut&oldid=6430098">https://hr.wikipedia.org/w/index.php?title=Vidni_kut&oldid=6430098</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Posebno:Kategorije" title="Posebno:Kategorije">Kategorije</a>: <ul><li><a href="/wiki/Kategorija:Optika" title="Kategorija:Optika">Optika</a></li><li><a href="/wiki/Kategorija:Oko" title="Kategorija:Oko">Oko</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Ova stranica posljednji je put uređivana 19. srpnja 2022. u 18:47.</li> <li id="footer-info-copyright">Tekst je dostupan pod licencijom <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.hr">Creative Commons: Imenuj autora/Dijeli pod istim uvjetima</a>; mogu se primjenjivati i dodatni uvjeti. 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