{"id":155,"date":"2010-08-23T16:44:59","date_gmt":"2010-08-23T22:44:59","guid":{"rendered":"http:\/\/featheredphotography.wordpress.com\/?p=155"},"modified":"2011-05-28T17:00:15","modified_gmt":"2011-05-28T23:00:15","slug":"a-bitter-lesson-in-depth-of-field","status":"publish","type":"post","link":"https:\/\/featheredphotography.com\/blog\/2010\/08\/23\/a-bitter-lesson-in-depth-of-field\/","title":{"rendered":"A Bitter Lesson in Depth of Field"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>I have spent many hours photographing Burrowing Owls over the past two summers but it&#8217;s a real challenge to get clear shots of them as they typically stay on the ground and are usually at least partially obscured by vegetation.\u00a0 For me it&#8217;s a real coup to get one on an elevated, natural perch in good light.<\/p>\n<p>Last week I had a wonderful opportunity with\u00a0them\u00a0and simply blew it.\u00a0 As we approached our &#8220;owl spot&#8221; we noticed that there were three of them perched up high on a sagebrush in beautiful early morning light.\u00a0 I maneuvered my pickup for the best light angle I could get\u00a0and to obtain separation of the owls from each other.\u00a0\u00a0Everything perfect.\u00a0 And all three birds gave us a variety of\u00a0interesting poses for several minutes.\u00a0<\/p>\n<p>I had noticed that the owl on\u00a0the left was perhaps a foot (or slightly less) closer to us than the other two birds so I was\u00a0concerned about depth of field.\u00a0 I seldom shoot multiple subjects and typically with\u00a0only one bird I&#8217;m shooting at f\/6.1 &#8211;\u00a0f\/8 depending on the situation.\u00a0 Knowing I needed more DOF here I dialed in f\/13 thinking that would be plenty to get all three birds sharp.\u00a0\u00a0 The image below is typical of the results I got.\u00a0<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"156\" data-permalink=\"https:\/\/featheredphotography.com\/blog\/2010\/08\/23\/a-bitter-lesson-in-depth-of-field\/burrowing-owl-2454\/\" data-orig-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454.jpg\" data-orig-size=\"720,518\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"burrowing owl 2454\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Burrowing Owl &amp;#8211; 7D, 500 f\/4, 1.4 tc, ISO 500, cropped to 77% of original image&lt;\/p&gt;\n\" data-large-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454.jpg\" class=\"size-full wp-image-156 aligncenter\" title=\"burrowing owl 2454\" src=\"http:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454.jpg\" alt=\"\" width=\"720\" height=\"518\" srcset=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454.jpg 720w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454-300x215.jpg 300w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454-150x107.jpg 150w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2010\/08\/burrowing-owl-2454-400x287.jpg 400w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Burrowing Owl &#8211; Canon 7D, 500 f\/4, 1.4 tc, 1\/200, f\/13, ISO 500, cropped to 77% of original image<\/em><\/p>\n<p>\u00a0<\/p>\n<p>The owl on the left is noticeably\u00a0soft.\u00a0 That is quite apparent at a larger image size, say 1200 pixels, though not quite so obvious at this size.\u00a0\u00a0 I&#8217;m very disappointed as I\u00a0had three great subjects in excellent light, on a natural\u00a0perch, with a\u00a0wonderful background and good poses.\u00a0 I don&#8217;t think the cause of the softness was motion blur, even at 1\/200 second, because the birds mostly held still and it was always the same bird that was soft.\u00a0 While I was shooting I tried to focus at a mid-point in depth between the birds at times\u00a0but it didn&#8217;t seem to make a lot of difference.\u00a0<\/p>\n<p>I&#8217;d guess\u00a0that I was about 35 feet from the birds.\u00a0 If anyone reading this has an educated estimate of what aperture I should have been at in this situation to get all three birds sharp\u00a0I&#8217;d appreciate your thoughts.\u00a0 I don&#8217;t want to muck up a similar\u00a0opportunity again!<\/p>\n<p>Ron<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 I have spent many hours photographing Burrowing Owls over the past two summers but it&#8217;s a real challenge to get clear shots of them as they typically stay on the ground and are usually at least partially obscured by vegetation.\u00a0 For me it&#8217;s a real coup to get one on an elevated, natural perch in good light. Last week I had a wonderful opportunity with\u00a0them\u00a0and simply blew it.\u00a0 As we approached our &#8220;owl spot&#8221; we noticed that there were three of them perched up high on a sagebrush in beautiful early morning light.\u00a0 I maneuvered my pickup for the best light angle I could get\u00a0and to obtain separation of the owls from each other.\u00a0\u00a0Everything perfect.\u00a0 And all three birds gave us a variety of\u00a0interesting poses for several minutes.\u00a0 I had noticed that the owl on\u00a0the left was perhaps a foot (or slightly less) closer to us than the other two birds so I was\u00a0concerned about depth of field.\u00a0 I seldom shoot multiple subjects and typically with\u00a0only one bird I&#8217;m shooting at f\/6.1 &#8211;\u00a0f\/8 depending on the situation.\u00a0 Knowing I needed more DOF here I dialed in f\/13 thinking that would be plenty to get all three birds sharp.\u00a0\u00a0 The image below is typical of the results I got.\u00a0 Burrowing Owl &#8211; Canon 7D, 500 f\/4, 1.4 tc, 1\/200, f\/13, ISO 500, cropped to 77% of original image \u00a0 The owl on the left is noticeably\u00a0soft.\u00a0 That is quite apparent at a larger image size, say 1200 pixels, though not quite so obvious at this&#8230;<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/featheredphotography.com\/blog\/2010\/08\/23\/a-bitter-lesson-in-depth-of-field\/\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_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_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[6,365],"tags":[33,62,105,130,147,278],"class_list":["post-155","post","type-post","status-publish","format-standard","hentry","category-bird-photography-methods","category-burrowing-owls","tag-aperture","tag-burrowing-owl","tag-depth-of-field","tag-f-stop","tag-focus","tag-sharpness"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1zzJh-2v","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/posts\/155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/comments?post=155"}],"version-history":[{"count":0,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/posts\/155\/revisions"}],"wp:attachment":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/media?parent=155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/categories?post=155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/tags?post=155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}