{"id":244,"date":"2019-04-08T15:15:27","date_gmt":"2019-04-08T13:15:27","guid":{"rendered":"https:\/\/koustrup.com\/?page_id=244"},"modified":"2021-10-10T14:47:33","modified_gmt":"2021-10-10T12:47:33","slug":"kromatisk-afvigelse-chromatic-aberration","status":"publish","type":"page","link":"https:\/\/foto-video.dk\/?page_id=244","title":{"rendered":"2.1.8: Kromatisk afvigelse (chromatic aberration)"},"content":{"rendered":"<nav aria-label=\"breadcrumbs\">\n            <div class=\"breadcrumb-container theme1\">\n                <ol>\n                    <li><a title=\"Du er her\" href=\"#\"><span>Du er her<\/span><\/a><span class=\"separator\">&gt;&gt;<\/span><\/li>\n                    <\/ol>\n            <\/div>\n        <\/nav>    <script type=\"application\/ld+json\">\n        {\n            \"@context\": \"http:\/\/schema.org\",\n            \"@type\": \"BreadcrumbList\",\n            \"itemListElement\": [\n                 {\n                            \"@type\": \"ListItem\",\n                            \"position\": 1,\n                            \"item\": {\n                                \"@id\": \"#\",\n                                \"name\": \"Du er her\"\n                            }\n                        }\n                                                    ]\n        }\n    <\/script>\n   \n    <script>\n            <\/script>\n\n<hr \/>\n<table style=\"width: 90%; float: center; border: 0px;\">\n<tbody>\n<tr>\n<td style=\"text-align: center; vertical-align: top; width: 48%; border: 0px;\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-2757\" src=\"https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-1-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-1-300x169.png 300w, https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-1.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/td>\n<td style=\"text-align: left; vertical-align: middle; width: 6%; border: 0px; padding: 2px;\"><\/td>\n<td style=\"text-align: center; vertical-align: top; width: 48%; border: 0px;\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-2758\" src=\"https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-2-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-2-300x169.png 300w, https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-2.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; vertical-align: middle; width: 48%; border: 0px;\"><em><strong>Aksial kromatisk afvigelse <\/strong><\/em><\/td>\n<td style=\"text-align: left; vertical-align: middle; width: 6%; border: 0px; padding: 2px;\"><\/td>\n<td style=\"text-align: center; vertical-align: middle; width: 48%; border: 0px;\"><em><strong>Lateral kromatisk afvigelse <\/strong><\/em><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; vertical-align: top; width: 48%; border: 0px;\">Opst\u00e5r n\u00e5 de forskellige b\u00f8lgel\u00e6ngder (farver) afb\u00f8jes forskelligt og derfor ikke fokuserer i billedplanet.<br \/>\nI objektiver med fast br\u00e6ndvidde kan dette f\u00e6nomen v\u00e6re mere udtalt.<br \/>\nFor at modvirke dette, s\u00e6ttes der ofte en konkav linse bag den f\u00f8rste linse.<br \/>\nMan kan tildels udj\u00e6vne effekten ved at g\u00e5 op i bl\u00e6nde.<\/td>\n<td style=\"text-align: left; vertical-align: middle; width: 6%; border: 0px; padding: 2px;\"><\/td>\n<td style=\"text-align: left; vertical-align: top; width: 48%; border: 0px;\">Opst\u00e5r n\u00e5 de forskellige b\u00f8lgel\u00e6ngder (farver) kommer ind p\u00e5 linsen i en vinkel.<br \/>\nDe afb\u00f8jes forskelligt, men vil fokusere i billedplanet \u2013 dog p\u00e5 forskellige punkter.<br \/>\nLateral kromatisk afvigelse tenderer til at v\u00e6re mere udtalt i hj\u00f8rnerne af billedet.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; vertical-align: top; border: 0px;\">&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-2759\" src=\"https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-3.png\" alt=\"\" width=\"180\" height=\"120\" \/><\/td>\n<td style=\"text-align: left; vertical-align: middle; border: 0px; padding: 2px;\"><\/td>\n<td style=\"text-align: center; vertical-align: top; border: 0px;\">&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-2760 alignnone\" src=\"https:\/\/foto-video.dk\/wp-content\/uploads\/2021\/10\/kromatisk-afvigelse-4.png\" alt=\"\" width=\"180\" height=\"120\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nogle fotoeditorer kan justere for aksial og lateral kromatisk forvr\u00e6ngning (fx PhotoShop).<\/p>\n<hr \/>\n<p style=\"text-align: right;\"><a href=\"https:\/\/foto-video.dk\/?page_id=140\"><strong>Tilbage til objektivet&gt;<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aksial kromatisk afvigelse Lateral kromatisk afvigelse Opst\u00e5r n\u00e5 de forskellige b\u00f8lgel\u00e6ngder (farver) afb\u00f8jes forskelligt og derfor ikke fokuserer i billedplanet. I objektiver med fast br\u00e6ndvidde kan dette f\u00e6nomen v\u00e6re mere udtalt. For at modvirke dette, s\u00e6ttes der ofte en konkav linse bag den f\u00f8rste linse. Man kan tildels udj\u00e6vne effekten ved at g\u00e5 op i [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":140,"menu_order":55,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-244","page","type-page","status-publish","hentry","post"],"_links":{"self":[{"href":"https:\/\/foto-video.dk\/index.php?rest_route=\/wp\/v2\/pages\/244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/foto-video.dk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/foto-video.dk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/foto-video.dk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/foto-video.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=244"}],"version-history":[{"count":6,"href":"https:\/\/foto-video.dk\/index.php?rest_route=\/wp\/v2\/pages\/244\/revisions"}],"predecessor-version":[{"id":2764,"href":"https:\/\/foto-video.dk\/index.php?rest_route=\/wp\/v2\/pages\/244\/revisions\/2764"}],"up":[{"embeddable":true,"href":"https:\/\/foto-video.dk\/index.php?rest_route=\/wp\/v2\/pages\/140"}],"wp:attachment":[{"href":"https:\/\/foto-video.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}