{"id":20963,"date":"2021-07-03T01:22:43","date_gmt":"2021-07-03T05:22:43","guid":{"rendered":"https:\/\/phsc.ca\/camera\/?p=20963"},"modified":"2021-06-30T20:54:41","modified_gmt":"2021-07-01T00:54:41","slug":"caution-curves-ahead","status":"publish","type":"post","link":"https:\/\/phsc.ca\/camera\/caution-curves-ahead\/","title":{"rendered":"caution, curves ahead."},"content":{"rendered":"<div id=\"attachment_20964\" style=\"width: 235px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/phsc.ca\/camera\/wp-content\/uploads\/2021\/06\/eye.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-20964\" class=\"size-full wp-image-20964\" src=\"https:\/\/phsc.ca\/camera\/wp-content\/uploads\/2021\/06\/eye-sm.jpg\" alt=\"\" width=\"225\" height=\"167\" \/><\/a><p id=\"caption-attachment-20964\" class=\"wp-caption-text\">Keep an eye out on this one<\/p><\/div>\n<p><strong>Toronto<\/strong>. Traditional lens elements (before aspheric surfaces became economical) were all slices of a sphere making curvature of field common. Some added elements resolved this aberration to give a flat field at the film\/sensor plane.<\/p>\n<p>Some cameras use a curved film plane instead (like the inexpensive Baby Brownie by Kodak and the much pricier Minox sub-miniature cameras, where both cameras and enlarger curve the film) to simplify lens design.<\/p>\n<p>The human eye uses a convex sensor &#8211; the retina &#8211; to maintain resolution (sort of) across the inner eye. There are lots of articles on the internet about the human eye\u00a0<a href=\"https:\/\/owlcation.com\/stem\/Anatomy-of-the-Eye-Human-Eye-Anatomy\">such as Owlcation<\/a>\u00a0where we borrowed the cross section.<\/p>\n<p>Fellow member Russ Forfar offers an article from <a href=\"https:\/\/www.sciencedaily.com\">Science Daily<\/a> on June 28th of this year called, &#8220;<a href=\"https:\/\/www.sciencedaily.com\/releases\/2021\/06\/210628170523.htm\">Using the ancient art of Kirigami to make an eyeball-like camera<\/a>&#8221; that reports experiments down in Houston that might replace flat sensors in some cases. Food for thought regarding the future smart phone cameras. Note: Kirigami got you flummoxed too? Read more about <a href=\"https:\/\/www.origami-resource-center.com\/kirigami.html\">kirigami on this website<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Toronto. Traditional lens elements (before aspheric surfaces became economical) were all slices of a sphere making curvature of field common. Some added elements resolved this aberration to give a flat field at the film\/sensor plane. Some cameras use a curved &hellip; <a href=\"https:\/\/phsc.ca\/camera\/caution-curves-ahead\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1944],"tags":[3748,3747,401,414],"class_list":["post-20963","post","type-post","status-publish","format-standard","hentry","category-history","tag-curved-sensors","tag-eye","tag-lens","tag-sensor"],"_links":{"self":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/20963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/comments?post=20963"}],"version-history":[{"count":4,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/20963\/revisions"}],"predecessor-version":[{"id":20967,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/20963\/revisions\/20967"}],"wp:attachment":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/media?parent=20963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/categories?post=20963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/tags?post=20963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}