{"id":22955,"date":"2020-05-28T15:50:47","date_gmt":"2020-05-28T13:50:47","guid":{"rendered":"https:\/\/ddoptics.shop\/?post_type=glossary&#038;p=22955"},"modified":"2020-05-28T19:23:29","modified_gmt":"2020-05-28T17:23:29","slug":"zorne-pole-dalekohledu-a-puskohledu","status":"publish","type":"glossary","link":"https:\/\/ddoptics.shop\/cs\/fachwort\/sehfeld-bei-fernglas-und-zielfernrohr\/","title":{"rendered":"Zorn\u00e9 pole a zorn\u00fd \u00fahel optiky, jako jsou dalekohledy a pu\u0161kohledy."},"content":{"rendered":"<h2>Dalekohledy a pu\u0161kohledy Zorn\u00e9 pole a \u00fahel pohledu<\/h2>\n<p>Zorn\u00e9 pole dalekohled\u016f nebo pu\u0161kohled\u016f se popisuje bu\u010f jako\u00a0<strong>ve stupn\u00edch (\u00fahel pohledu) nebo v metrech<\/strong>\u00a0je uvedeno. Velikost zorn\u00e9ho pole ud\u00e1v\u00e1, kter\u00e9\u00a0<strong>\u0160\u00ed\u0159ka ter\u00e9nu ve vzd\u00e1lenosti 1000 m<\/strong>\u00a0lze pozorovat dalekohledem.<\/p>\n<p>Naproti tomu zorn\u00e9 pole pu\u0161kohled\u016f se obvykle ud\u00e1v\u00e1 pro vzd\u00e1lenost 100 metr\u016f.<\/p>\n<p>Dalekohledy bez \u0161iroko\u00fahl\u00e9 funkce maj\u00ed zorn\u00e9 pole a\u017e 130 metr\u016f. V\u011bt\u0161\u00ed zorn\u00e9 pole usnad\u0148uje pozorov\u00e1n\u00ed velk\u00fdch objekt\u016f a sledov\u00e1n\u00ed pohybuj\u00edc\u00edch se objekt\u016f. S <strong>Zorn\u00e9 pole se obecn\u011b zmen\u0161uje s rostouc\u00edm zv\u011bt\u0161en\u00edm.<\/strong>\u00a0pro ka\u017edou optickou soustavu, co\u017e z\u00e1vis\u00ed tak\u00e9 na konstrukci optick\u00e9 soustavy.<\/p>\n<p>Pokud porovn\u00e1v\u00e1te zorn\u00e9 pole n\u011bkolika dalekohled\u016f nebo pu\u0161kohled\u016f, m\u011bli byste se ujistit, \u017ee pou\u017e\u00edv\u00e1te optiku se stejn\u00fdm nebo alespo\u0148 podobn\u00fdm zv\u011bt\u0161en\u00edm. A - jeden<strong>\u00a0Velkorys\u00e9 specifikace velikosti zorn\u00e9ho pole pro levn\u00e9 dalekohledy<\/strong>\u00a0je v\u0161ak<strong>\u00a0s opatrnost\u00ed<\/strong>\u00a0zv\u00e1\u017eit.<\/p>\n<p>Je mo\u017en\u00e9, \u017ee\u00a0<strong>V\u011bt\u0161\u00ed zorn\u00e9 pole na \u00fakor sn\u00ed\u017een\u00e9 ostrosti okraj\u016f<\/strong>\u00a0dosa\u017eeno. Jin\u00ed poskytovatel\u00e9 zase inzeruj\u00ed optim\u00e1ln\u00ed ostrost hran, ale zatajuj\u00ed, \u017ee toho bylo dosa\u017eeno zmen\u0161en\u00edm zorn\u00e9ho pole. Pokud je v\u0161ak dokonal\u00e9 ostrosti hran dosa\u017eeno pouze um\u011bl\u00fdm zmen\u0161en\u00edm zorn\u00e9ho pole, sv\u011bd\u010d\u00ed to sp\u00ed\u0161e ve prosp\u011bch kreativn\u00edho marketingov\u00e9ho p\u0159\u00edstupu poskytovatele ne\u017e ve prosp\u011bch p\u0159esv\u011bd\u010div\u00e9 kvality optiky.<\/p>\n<p>Abyste mohli re\u00e1ln\u011b posoudit kvalitu optiky, m\u011bli byste zorn\u00e9 pole a ostrost hran v\u00fdrobku posuzovat pouze spole\u010dn\u011b. D\u016fle\u017eit\u00e1 jsou n\u00e1sleduj\u00edc\u00ed krit\u00e9ria\u00a0<strong>je t\u0159eba vz\u00edt v \u00favahu dalekohledy:<\/strong><\/p>\n<ul>\n<li><strong>Ostrost hran<\/strong><\/li>\n<li><strong>Brilance obrazu<\/strong><\/li>\n<li><strong>Soumra\u010dn\u00e9 p\u0159edstaven\u00ed<\/strong><\/li>\n<li><strong>Zorn\u00e9 pole<\/strong><\/li>\n<\/ul>\n<p>Zorn\u00fd \u00fahel (jako m\u00edra velikosti zorn\u00e9ho pole v USA a Japonsku) se zaokrouhluje a vypo\u010d\u00edt\u00e1v\u00e1 podle n\u00e1sleduj\u00edc\u00edho vzorce:<\/p>\n<figure id=\"attachment_8909\" aria-describedby=\"caption-attachment-8909\" style=\"width: 214px\" class=\"wp-caption alignleft\"><img decoding=\"async\" class=\"size-full wp-image-8909\" src=\"https:\/\/ddoptics.shop\/wp-content\/uploads\/2016\/07\/formel-blickwinkel.jpg\" alt=\"Vzorec zorn\u00e9ho \u00fahlu pro dalekohledy\" width=\"214\" height=\"46\" title=\"\"><figcaption id=\"caption-attachment-8909\" class=\"wp-caption-text\">Vzorec zorn\u00e9ho \u00fahlu pro dalekohledy<\/figcaption><\/figure>\n<p>(Zde se p\u0159ibli\u017en\u011b 17,45 m na 1000 m rovn\u00e1 1\u00b0)<\/p>","protected":false},"excerpt":{"rendered":"<p>Velikost zorn\u00e9ho pole ud\u00e1v\u00e1 \u0161\u00ed\u0159ku ter\u00e9nu, kter\u00fd lze pozorovat dalekohledem na vzd\u00e1lenost 1000 metr\u016f.<\/p>","protected":false},"author":2,"featured_media":8912,"parent":0,"template":"","glossary-cat":[950],"class_list":["post-22955","glossary","type-glossary","status-publish","has-post-thumbnail","hentry","glossary-cat-optik-wiki"],"related_terms":"Sehfeld,Blickwinkel","external_url":"","internal_reference_id":"","_links":{"self":[{"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/glossary\/22955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":4,"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/glossary\/22955\/revisions"}],"predecessor-version":[{"id":23038,"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/glossary\/22955\/revisions\/23038"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/media\/8912"}],"wp:attachment":[{"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/media?parent=22955"}],"wp:term":[{"taxonomy":"glossary-cat","embeddable":true,"href":"https:\/\/ddoptics.shop\/cs\/wp-json\/wp\/v2\/glossary-cat?post=22955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}