{"id":2601,"date":"2014-10-13T20:39:14","date_gmt":"2014-10-14T03:39:14","guid":{"rendered":"http:\/\/www.soleillapierre.ca\/blog\/?p=2601"},"modified":"2014-10-13T20:39:14","modified_gmt":"2014-10-14T03:39:14","slug":"iruv-photo-experiment","status":"publish","type":"post","link":"http:\/\/www.soleillapierre.ca\/blog\/?p=2601","title":{"rendered":"IR\/UV photo experiment"},"content":{"rendered":"<p>I just picked up an <a href=\"http:\/\/www.dpreview.com\/reviews\/olympusepl1\/\">Olympus E-PL1<\/a> from a friend, modified for infrared and ultraviolet photography. \u00a0That basically means the built-in UV\/IR filter has been removed, and a filter that blocks most visible light but permits UV and IR light to pass has been placed on the lens.<\/p>\n<p>The weather wasn&#8217;t great for experimenting with this today, being overcast and rainy and not many flowers being still in bloom, but the IR results show up pretty well anyway.<\/p>\n<p>Here are some example shots compared with similar shots taken with an unmodified Canon camera. Click to embiggen.<\/p>\n<p><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2590\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001-800x600.jpg\" alt=\"d20141013a_0001\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001-1024x768.jpg 1024w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0003.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2599\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0003-800x600.jpg\" alt=\"OLYMPUS DIGITAL CAMERA\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0003-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0003-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0010.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2592\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0010-800x600.jpg\" alt=\"d20141013a_0010\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0010-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0010-1024x768.jpg 1024w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0010.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0012.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2600\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0012-800x600.jpg\" alt=\"OLYMPUS DIGITAL CAMERA\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0012-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0012-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0013.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2593\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0013-800x600.jpg\" alt=\"d20141013a_0013\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0013-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0013-1024x768.jpg 1024w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0013.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0013.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2596\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0013-800x600.jpg\" alt=\"OLYMPUS DIGITAL CAMERA\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0013-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0013-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0017.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2594\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0017-800x600.jpg\" alt=\"d20141013a_0017\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0017-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0017-1024x768.jpg 1024w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0017.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0015.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2597\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0015-800x600.jpg\" alt=\"OLYMPUS DIGITAL CAMERA\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0015-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0015-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2595\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019-800x600.jpg\" alt=\"d20141013a_0019\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019-1024x768.jpg 1024w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0017.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2598\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0017-800x600.jpg\" alt=\"OLYMPUS DIGITAL CAMERA\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0017-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013b_0017-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>Finally, I tried some quick experiments with compositing the normal and IR shots together. \u00a0This is a little tricky because I&#8217;m combining images from different cameras, different resolutions and different focal lengths, so the registration is poor. \u00a0Also I haven&#8217;t thought of the best way to manipulate the colors yet, but hey, experimentation!<\/p>\n<p><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001_b_0003_composite01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2591\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001_b_0003_composite01-800x600.jpg\" alt=\"d20141013a_0001_b_0003_composite01\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001_b_0003_composite01-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001_b_0003_composite01-1024x768.jpg 1024w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0001_b_0003_composite01.jpg 1669w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019_b_0017_composite01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2589\" src=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019_b_0017_composite01-800x600.jpg\" alt=\"d20141013a_0019_b_0017_composite01\" width=\"800\" height=\"600\" srcset=\"http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019_b_0017_composite01-800x600.jpg 800w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019_b_0017_composite01-1024x767.jpg 1024w, http:\/\/www.soleillapierre.ca\/blog\/wp-content\/uploads\/2014\/10\/d20141013a_0019_b_0017_composite01.jpg 2012w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I just picked up an Olympus E-PL1 from a friend, modified for infrared and ultraviolet photography. \u00a0That basically means the built-in UV\/IR filter has been removed, and a filter that blocks most visible light but permits UV and IR light to pass has been placed on the lens. The weather wasn&#8217;t great for experimenting with [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,18],"tags":[],"class_list":["post-2601","post","type-post","status-publish","format-standard","hentry","category-photography","category-projects"],"_links":{"self":[{"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2601"}],"version-history":[{"count":2,"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2601\/revisions"}],"predecessor-version":[{"id":2603,"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2601\/revisions\/2603"}],"wp:attachment":[{"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2601"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.soleillapierre.ca\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}