{"id":10373,"date":"2015-11-19T20:59:18","date_gmt":"2015-11-20T01:59:18","guid":{"rendered":"http:\/\/scienceblogs.com\/principles\/?p=10373"},"modified":"2015-11-19T20:59:18","modified_gmt":"2015-11-20T01:59:18","slug":"080366-iso-revisited","status":"publish","type":"post","link":"http:\/\/chadorzel.com\/principles\/2015\/11\/19\/080366-iso-revisited\/","title":{"rendered":"080\/366: ISO Revisited"},"content":{"rendered":"<p>A little while back, I did a <a href=\"http:\/\/scienceblogs.com\/principles\/2015\/11\/11\/072366-what-iso-means-to-me\/\">comparison of the different ISO settings on my camera<\/a>, and a bunch of people commented that it would be interesting to try to match two photos at different levels. So, here&#8217;s that:<\/p>\n<figure id=\"attachment_10374\" aria-describedby=\"caption-attachment-10374\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/scienceblogs.com\/principles\/files\/2015\/11\/sm_ISO_match.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/scienceblogs.com\/principles\/files\/2015\/11\/sm_ISO_match.jpg\" alt=\"Trying to match two photos at the extremes of the ISO settings on my camera.\" width=\"600\" height=\"800\" class=\"size-full wp-image-10374\" srcset=\"http:\/\/chadorzel.com\/principles\/wp-content\/uploads\/2015\/11\/sm_ISO_match.jpg 600w, http:\/\/chadorzel.com\/principles\/wp-content\/uploads\/2015\/11\/sm_ISO_match-225x300.jpg 225w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-10374\" class=\"wp-caption-text\">Trying to match two photos at the extremes of the ISO settings on my camera.<\/figcaption><\/figure>\n<p>These aren&#8217;t quite perfectly matched, because the time settings give me a limited range of options, but it&#8217;s pretty close. The higher ISO setting ought to be 128 times more light-sensitive than then lower, and it&#8217;s 1\/125th of the exposure time.<\/p>\n<p>And&#8230; those look pretty similar. I&#8217;m honestly not sure how one would quantify this, so I won&#8217;t try to; there&#8217;s a bit more noise evident at the high ISO level, particularly on the edge of the table, but that might also be the slightly higher exposure.<\/p>\n<p>Anyway, the conclusion is basically the same as in the previous post: modern DSLR cameras are pretty darn cool.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A little while back, I did a comparison of the different ISO settings on my camera, and a bunch of people commented that it would be interesting to try to match two photos at different levels. So, here&#8217;s that: These aren&#8217;t quite perfectly matched, because the time settings give me a limited range of options,&hellip; <a class=\"more-link\" href=\"http:\/\/chadorzel.com\/principles\/2015\/11\/19\/080366-iso-revisited\/\">Continue reading <span class=\"screen-reader-text\">080\/366: ISO Revisited<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":10374,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[684,238,7,50],"tags":[],"class_list":["post-10373","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-684","category-optics","category-physics","category-pictures","entry"],"_links":{"self":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts\/10373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/comments?post=10373"}],"version-history":[{"count":0,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts\/10373\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/media\/10374"}],"wp:attachment":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/media?parent=10373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/categories?post=10373"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/tags?post=10373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}