{"id":204,"date":"2008-10-24T04:44:26","date_gmt":"2008-10-24T08:44:26","guid":{"rendered":"http:\/\/www.johnpaulcaponigro.com\/wordpress\/?p=204"},"modified":"2008-10-24T04:44:26","modified_gmt":"2008-10-24T08:44:26","slug":"xdr-extending-dynamic-range","status":"publish","type":"post","link":"https:\/\/www.johnpaulcaponigro.com\/blog\/204\/xdr-extending-dynamic-range\/","title":{"rendered":"Extending Dynamic Range &#8211; Seminar &#8211; Contrast Ratios"},"content":{"rendered":"<p><img class=\"alignnone\" src=\"http:\/\/www.johnpaulcaponigro.com\/blog\/wp-content\/themes\/blue-zinfandel-10\/images\/dynamicrangecomparison.jpg\" alt=\"\" \/><br \/>\n<img class=\"alignnone\" src=\"http:\/\/www.johnpaulcaponigro.com\/blog\/wp-content\/themes\/blue-zinfandel-10\/images\/dynamicrangecomparison.jpg\" alt=\"\" \/><br \/>\n<img class=\"alignnone\" src=\"https:\/\/www.johnpaulcaponigro.com\/blog\/wp-content\/uploads\/2021\/02\/dynamicrangecomparisons.jpg\" alt=\"\" \/><br \/>\n&#8211;<br \/>\nToday I present a seminar Extending Dynamic Range. Extending dynamic range is one of the fundamental challenges of photography since it&#8217;s invention. All forms of visual representation map the appearance of a high dynamic range scene into a low dynamic range medium (typically print). There have been many approaches to solving this problem throughout history. Now, with new technology, there are new approaches. HDR merges are popular now. In time, all of our imagery will be able to incorporate increasingly high dynamic range information.<br \/>\nHere&#8217;s a comparison of contrast ratios from very high dynamic range self-luminiscent objects to low dynamic range prints.<br \/>\nsun to starlight\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1,000,000,000,000:1<br \/>\nhuman vision w\/ dark adaptation\u00a0\u00a0\u00a0 \u00a0 100,000,000:1<br \/>\nSpherocam HDR camera\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 50,000,000:1<br \/>\nBrightside monitor\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 200,000:1<br \/>\nhuman vision &#8211; single\u00a0 view\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 10,000:1<br \/>\nb\/w negative film\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0\u00a0 10,000:1<br \/>\ntypical DSLR\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 500:1<br \/>\nLCD monitor\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 400:1<br \/>\nCRT monitor\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 200:1<br \/>\npaper &#8211; best possible\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 100:1<br \/>\npaper &#8211; typical\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 50:1<br \/>\n<a href=\"http:\/\/www.johnpaulcaponigro.com\/downloads\/technique\/technique.php\" target=\"_blank\" rel=\"noopener noreferrer\">Check out my free downloads here.<\/a><br \/>\n<a href=\"http:\/\/www.johnpaulcaponigro.com\/workshops\/\" target=\"_blank\" rel=\"noopener noreferrer\">Check out my workshops here.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8211; Today I present a seminar Extending Dynamic Range. Extending dynamic range is one of the fundamental challenges of photography since it&#8217;s invention. All forms of visual representation map the appearance of a high dynamic range scene into a low dynamic range medium (typically print)&#8230;.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[120],"tags":[695,121,696,536,694],"post_folder":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Extending Dynamic Range - Seminar - Contrast Ratios - John Paul Caponigro<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.johnpaulcaponigro.com\/blog\/204\/xdr-extending-dynamic-range\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extending Dynamic Range - Seminar - Contrast Ratios - John Paul Caponigro\" \/>\n<meta property=\"og:description\" content=\"&#8211; Today I present a seminar Extending Dynamic Range. Extending dynamic range is one of the fundamental challenges of photography since it&#8217;s invention. 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