{"id":7137,"date":"2021-06-07T09:00:19","date_gmt":"2021-06-07T07:00:19","guid":{"rendered":"https:\/\/book2net.net\/2021\/06\/07\/apochromat-apochromatic\/"},"modified":"2022-10-13T11:41:08","modified_gmt":"2022-10-13T09:41:08","slug":"apochromat-apochromatic","status":"publish","type":"post","link":"https:\/\/book2net.net\/en\/2021\/06\/07\/apochromat-apochromatic\/","title":{"rendered":"Apochromat \/ apochromatic"},"content":{"rendered":"\n\n\n<p><span style=\"font-size: 120%;\">When light passes through an optical system (lenses made of glass), so-called &#8220;color errors&#8221; can occur. In this phenomenon, for example, white light is refracted into its components, which also explains the play of colors on glass edges when exposed to sunlight. A similar phenomenon is known from water surfaces, and rainbows are also basically based on this principle.<\/span><\/p>\n<div class=\"row\"  id=\"row-1739128044\">\n\n\n\t<div id=\"col-470161561\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-size: 120%;\">An <strong>apochromat<\/strong> (Greek for free of color, colorless) is an optical system, e.g. a lens, in which these color errors are largely corrected.<\/span><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-296674124\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_535641895\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_535641895 {\n  width: 84%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3252265906\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 100%;\">Comparison of an image with and without chromatic correction<br><\/span><span style=\"font-size: 75%;\">Source:<a href=\"https:\/\/en.wikipedia.org\/wiki\/Chromatic_aberration\"> Wikimedia Commons<\/a> (unchanged) <br>Copyright: <a class=\"extiw\" title=\"w:en:Creative Commons\" href=\"https:\/\/en.wikipedia.org\/wiki\/en:Creative_Commons\">Creative Commons<\/a>&nbsp;<a class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/3.0\/deed.en\" rel=\"nofollow\">Attribution-Share Alike 3.0 Unported<\/a>.<\/span><\/p>\n\t\t\n<style>\n#text-3252265906 {\n  line-height: 1.2;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-140125433\">\n\n\n\t<div id=\"col-339099539\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<blockquote>\n<p><span style=\"font-size: 100%;\">Since such color errors should be avoided when digitizing, our systems work with a chromatic-corrected lens that compensates for this phenomenon. Otherwise, colored fragments would show around the edges of black letters, for example, and the scan would not be identical with the original.<\/span><\/p>\n<\/blockquote>\n\t<div id=\"gap-374317157\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-374317157 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-1750690207\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1750690207 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"container section-title-container\" ><h3 class=\"section-title section-title-normal\"><b><\/b><span class=\"section-title-main\" >Related Topics<\/span><b><\/b><\/h3><\/div>\n\n\n  \n    <div class=\"row large-columns-3 medium-columns-1 small-columns-1 has-shadow row-box-shadow-2 row-box-shadow-5-hover slider row-slider slider-nav-reveal slider-nav-push\"  data-flickity-options='{&quot;imagesLoaded&quot;: true, &quot;groupCells&quot;: &quot;100%&quot;, &quot;dragThreshold&quot; : 5, &quot;cellAlign&quot;: &quot;left&quot;,&quot;wrapAround&quot;: true,&quot;prevNextButtons&quot;: true,&quot;percentPosition&quot;: true,&quot;pageDots&quot;: false, &quot;rightToLeft&quot;: false, &quot;autoPlay&quot; : false}' >\n\n  <div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n          \t\t\t\t\t<div class=\"box-text text-left\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/book2net.net\/en\/2021\/11\/17\/chromatic-abberation\/\" class=\"plain\">Chromatic abberation<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tIn optics, chromatic aberration (also abbreviated to CA) is a failure [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/book2net.net\/en\/2021\/11\/17\/chromatic-abberation\/\" class=\"button  is-underline is-large mb-0\">\n\t\t\t\t\t\t\tREAD MORE\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n          \t\t\t\t\t<div class=\"box-text text-left\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/book2net.net\/en\/2021\/09\/13\/lens\/\" class=\"plain\">Lens<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tEvery camera needs a lens to project the object or the [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/book2net.net\/en\/2021\/09\/13\/lens\/\" class=\"button  is-underline is-large mb-0\">\n\t\t\t\t\t\t\tREAD MORE\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>When light passes through an optical system (lenses made of glass), so-called &#8220;color errors&#8221; can occur. In this phenomenon, for example, white light is refracted into its components, which also explains the play of colors on glass edges when exposed to sunlight. A similar phenomenon is known from water surfaces, and rainbows are also basically based on this principle.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[336,279],"tags":[],"class_list":["post-7137","post","type-post","status-publish","format-standard","hentry","category-a-en","category-glossary"],"_links":{"self":[{"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/posts\/7137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/comments?post=7137"}],"version-history":[{"count":13,"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/posts\/7137\/revisions"}],"predecessor-version":[{"id":19501,"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/posts\/7137\/revisions\/19501"}],"wp:attachment":[{"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/media?parent=7137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/categories?post=7137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/book2net.net\/en\/wp-json\/wp\/v2\/tags?post=7137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}