{"id":390,"date":"2017-02-01T23:18:22","date_gmt":"2017-02-02T07:18:22","guid":{"rendered":"http:\/\/historic.camera\/?p=390"},"modified":"2017-02-01T23:18:22","modified_gmt":"2017-02-02T07:18:22","slug":"callier-effect-wikipedia","status":"publish","type":"post","link":"https:\/\/historic.camera\/?p=390","title":{"rendered":"Callier effect &#8211; Wikipedia"},"content":{"rendered":"<blockquote><p>Source: <em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Callier_effect\">Callier effect &#8211; Wikipedia<\/a><\/em><\/p>\n<p>I&#8217;m still working on my &#8216;scanner&#8217; for my negatives and have been studying the differences between light sources. For a long time I&#8217;ve used a very diffuse light source, but I&#8217;m wondering now if a collimated light might help me get more detail. I&#8217;ve read about the differences between the light sources for darkroom enlargers and just purchased an old condensing head to modify for my digital camera scanner. My friend Greg who knows a lot more about film photography, suggested I read up on the Callier effect and so here I am. It&#8217;s really interesting.<\/p>\n<figure style=\"width: 1024px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/i0.wp.com\/historic.camera\/wp-content\/uploads\/2017\/02\/page1-1024px-DiffVScond.pdf.jpg?resize=640%2C255\" width=\"640\" height=\"255\" \/><figcaption class=\"wp-caption-text\">Differences between lighting of a negative<\/figcaption><\/figure><\/blockquote>\n<figure style=\"width: 416px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/i0.wp.com\/historic.camera\/wp-content\/uploads\/2017\/02\/page1-416px-Condensed-bright-field-setup.pdf.jpg?resize=416%2C599\" width=\"416\" height=\"599\" \/><figcaption class=\"wp-caption-text\">Callier Effect<\/figcaption><\/figure>\n<figure style=\"width: 464px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/i0.wp.com\/historic.camera\/wp-content\/uploads\/2017\/02\/page1-464px-Diffused-bright-field.pdf.jpg?resize=464%2C599\" width=\"464\" height=\"599\" \/><figcaption class=\"wp-caption-text\">Diffuse light<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Source: Callier effect &#8211; Wikipedia I&#8217;m still working on my &#8216;scanner&#8217; for my negatives and have been studying the differences between light sources. For a long time I&#8217;ve used a very diffuse light source, but I&#8217;m wondering now if a collimated light might help me get more detail. I&#8217;ve read about the differences between the light sources for darkroom enlargers and just purchased an old condensing head to modify for my digital camera scanner. My friend Greg who knows a<a class=\"entry-more\" href=\"https:\/\/historic.camera\/?p=390\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-390","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Eric Rollei\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/historic.camera\/?p=390\" \/>\n\t<meta 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