{"id":708,"date":"2007-10-02T05:04:19","date_gmt":"2007-10-02T10:04:19","guid":{"rendered":"http:\/\/photondetector.com\/blog\/2007\/10\/02\/mf-charts-explained\/"},"modified":"2007-10-02T05:07:39","modified_gmt":"2007-10-02T10:07:39","slug":"mf-charts-explained","status":"publish","type":"post","link":"https:\/\/photondetector.com\/blog\/2007\/10\/02\/mf-charts-explained\/","title":{"rendered":"MTF charts demystified"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><acronym title=\"Modulation Transfer Function\">MTF<\/acronym> charts are graphs of lens resolution that are meant to give you an idea of how a given lens performs at different points across the frame. (Most lenses are sharpest in the centre and get a bit softer as you go out, and these charts illustrate that characteristic.) They&#8217;re easy to read once you understand them, but unfortunately they&#8217;re usually explained very badly.<\/p>\n<p>Mike Johnston has put together the first sane and easy-to-understand breakdown I&#8217;ve ever seen. <a href=\"http:\/\/theonlinephotographer.typepad.com\/the_online_photographer\/2007\/09\/i-thought-peopl.html\">Check it out<\/a> at The Online Photographer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MTF charts are graphs of lens resolution that are meant to give you an idea of how a given lens performs at different points across the frame. (Most lenses are sharpest in the centre and get a bit softer as you go out, and these charts illustrate that characteristic.) They&#8217;re easy to read once you [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[991,995,1182],"class_list":["post-708","post","type-post","status-publish","format-standard","hentry","category-extra-geeky","tag-lens","tag-lens-resolution","tag-mtf-chart"],"_links":{"self":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/posts\/708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/comments?post=708"}],"version-history":[{"count":0,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/posts\/708\/revisions"}],"wp:attachment":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/media?parent=708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/categories?post=708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/tags?post=708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<!-- WP Super Cache is installed but broken. The constant WPCACHEHOME must be set in the file wp-config.php and point at the WP Super Cache plugin directory. -->