{"id":17168,"date":"2023-10-08T06:37:35","date_gmt":"2023-10-07T17:37:35","guid":{"rendered":"https:\/\/www.tonywhitehead.com\/wildlight\/?p=17168"},"modified":"2023-10-08T06:37:36","modified_gmt":"2023-10-07T17:37:36","slug":"a-case-for-aperture-priority-and-auto-iso","status":"publish","type":"post","link":"https:\/\/www.tonywhitehead.com\/wildlight\/archives\/17168","title":{"rendered":"A Bird in the Bush &#8211; a case for Aperture Priority and Auto ISO"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4564-NEF_DxO-web.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4564-NEF_DxO-web.jpg?resize=960%2C640&#038;ssl=1\" alt=\"P\u014dpokatea\/Whitehead photographed in a dense thicket of Manuka\" class=\"wp-image-17175\" srcset=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4564-NEF_DxO-web.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4564-NEF_DxO-web.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4564-NEF_DxO-web.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><figcaption class=\"wp-element-caption\">P\u014dpokatea\/Whitehead photographed in a dense thicket of Manuka. Aperture priority and AutoISO is the best option here. <\/figcaption><\/figure>\n<\/div>\n\n\n<p>As I&#8217;ve written previously, 99% of my bird photography work is done in full manual mode. This is largely because my main passion is birds in flight so I want to be ready for that situation. Birds in flight means backgrounds that change as the bird moves and I don&#8217;t want my exposure to change due to changing luminance levels from the background and full manual is the only way to ensure this. Manual with AutoISO is an automatic exposure mode so doesn&#8217;t work for me in this situation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Pukeko-20230806-NZ9_4004-web.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Pukeko-20230806-NZ9_4004-web.jpg?resize=960%2C640&#038;ssl=1\" alt=\"Photo of Pukeko\" class=\"wp-image-17172\" srcset=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Pukeko-20230806-NZ9_4004-web.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Pukeko-20230806-NZ9_4004-web.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Pukeko-20230806-NZ9_4004-web.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><figcaption class=\"wp-element-caption\">P\u016bkeko photographed in open habitat where there is always a chance of flight images so best managed with full manual exposure<\/figcaption><\/figure>\n\n\n\n<p>One situation where it does work though is when walking in the bush where light levels are low but changeable depending on canopy cover, and there is no real opportunity to track a bird in flight. If using full manual mode this can require regular adjustment of shutter speed and ISO to achieve the correct exposure. Using Aperture priority and AutoISO limits adjustment to a single single parameter &#8211; Exposure compensation &#8211; generally + exposure compensation if there is some bright light in the background causing underexposure of the subject. Exposure preview and live histogram in the EVF of a mirrorless camera is a big advantage in this situation.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Tui-20230806-NZ9_4416-NEF_DxO-web.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Tui-20230806-NZ9_4416-NEF_DxO-web.jpg?resize=960%2C640&#038;ssl=1\" alt=\"Photo of Tui\" class=\"wp-image-17174\" srcset=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Tui-20230806-NZ9_4416-NEF_DxO-web.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Tui-20230806-NZ9_4416-NEF_DxO-web.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Tui-20230806-NZ9_4416-NEF_DxO-web.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><figcaption class=\"wp-element-caption\">T\u016b\u012b photographed in a thick m\u0101nuka stand with very low light. High ISO and +exposure compensation needed due to the bright background<\/figcaption><\/figure>\n<\/div>\n\n\n<p>On a recent trip to <a href=\"https:\/\/www.tonywhitehead.com\/wildlight\/archives\/17200\" target=\"_blank\" rel=\"noreferrer noopener\">Shakespeare Regional Park<\/a> I found my usual manual exposure was perfect when in open light but changed over to Aperture priority with AutoISO in the bush sections as this made achieving correct exposure more simple. <\/p>\n\n\n\n<p>Moving from the open areas where the P\u016bkeko was photographed into m\u0101nuka and then mixed bush, light levels were much lower needing much higher ISO values and slower shutter speeds. Light levels changed in different areas depending on canopy thickness which was quite variable. The P\u014dpokatea\/Whitehead at the top of the post was in thick m\u0101nuka with little light whilst this next one was part of the same flock just across the path and being on the edge of the bush, in much more light. Aperture priority and autoISO allowed a quick adjustment of exposure compensation only to accommodate the different background luminosity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4853-NEF_DxO-web.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4853-NEF_DxO-web.jpg?resize=960%2C640&#038;ssl=1\" alt=\"Photo of P\u014dpokatea\/Whitehead\" class=\"wp-image-17176\" srcset=\"https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4853-NEF_DxO-web.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4853-NEF_DxO-web.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4853-NEF_DxO-web.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><figcaption class=\"wp-element-caption\">P\u014dpokatea\/Whitehead photographed on the bush edge shortly after the image at the top of the post. Much more light and rapidly adapted to by AutoISO<\/figcaption><\/figure>\n\n\n\n<p>There is often debate as to the &#8220;right way&#8221; to do things. In some circles any automatic mode is looked down on and advice can be given to &#8220;move on up to full manual exposure&#8221; as though that&#8217;s what &#8220;real photographers&#8221; use. Others will say that Aperture priority is all you need and juggling aperture, shutter speed and ISO just complicates things. This is true in many situations &#8211; I use aperture priority for most travel and street photography &#8211; but would feel hampered if using it for most bird photography. <\/p>\n\n\n\n<p>There is no moving up to a better way of doing things &#8211; it&#8217;s all about using the best, most efficient setting for the job at hand. For me, for most bird photography situations, that is full manual mode, but in bush scenarios, aperture priority and autoISO can be better.<\/p>\n\n\n\n<p>Photos with Nikon Z9 and Nikkor Z 800mm f6.3 VR S<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A bird in the bush &#8211; a case for aperture priority and auto ISO in bird photography<\/p>\n","protected":false},"author":1,"featured_media":17175,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[982,29,178,17],"tags":[1171,26,605,25,1170,144,247,1021,221,983,609,194,190],"class_list":["post-17168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bird-photography","category-new-zealand","category-opinion","category-tips","tag-autoiso","tag-bird-photography","tag-bird-photography-tips","tag-birds","tag-exposure-mode","tag-new-zealand","tag-new-zealand-bird","tag-nikkor-z-800mm-f6-3-vr-s","tag-nikon","tag-nikon-z9","tag-nikonnz","tag-photo","tag-photography","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Bird in the Bush - a case for Aperture Priority and Auto ISO - WildLight Photography<\/title>\n<meta name=\"description\" content=\"A Case for Aperture Priority and Auto ISO\" \/>\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.tonywhitehead.com\/wildlight\/archives\/17168\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Bird in the Bush - a case for Aperture Priority and Auto ISO - WildLight Photography\" \/>\n<meta property=\"og:description\" content=\"A Case for Aperture Priority and Auto ISO\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tonywhitehead.com\/wildlight\/archives\/17168\" \/>\n<meta property=\"og:site_name\" content=\"WildLight Photography\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-07T17:37:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-07T17:37:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tonywhitehead.com\/wildlight\/wp-content\/uploads\/2023\/08\/Whitehead-20230806-NZ9_4564-NEF_DxO-web.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"640\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"tony\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"tony\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.tonywhitehead.com\\\/wildlight\\\/archives\\\/17168#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tonywhitehead.com\\\/wildlight\\\/archives\\\/17168\"},\"author\":{\"name\":\"tony\",\"@id\":\"https:\\\/\\\/www.tonywhitehead.com\\\/wildlight\\\/#\\\/schema\\\/person\\\/5cf44f50ed633ae6f6256fd8d79241f0\"},\"headline\":\"A Bird in the Bush &#8211; 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