Comments on: Short Mid-range Zoom Lenses for Gannets in Flight and Diving? And a Great ACR Tip for Converting Under-exposed RAW Files https://www.birdsasart-blog.com/baa/2018/07/13/short-mid-range-zoom-lenses-for-gannets-in-flight-and-diving-and-a-great-acr-tip-for-converting-under-exposed-raw-files/ The blog of bird photographer Arthur Morris Sun, 15 Jul 2018 10:45:57 +0000 hourly 1 https://wordpress.org/?v=6.8.3 By: Arthur Morris/BIRDS AS ART https://www.birdsasart-blog.com/baa/2018/07/13/short-mid-range-zoom-lenses-for-gannets-in-flight-and-diving-and-a-great-acr-tip-for-converting-under-exposed-raw-files/comment-page-1/#comment-1757862 Sun, 15 Jul 2018 10:45:57 +0000 http://www.birdsasart-blog.com/?p=56559#comment-1757862 In reply to Steve Wampler.

Thanks Steve, I was familiar with the concept but not with the term “focus breathing.” If you think about it, that is a pretty poor choice of words … “Framing breathing” might make more sense.

with love, artie

ps: the Canon 100-400 II did the same thing but I never held that against it 🙂

]]> By: Steve Wampler https://www.birdsasart-blog.com/baa/2018/07/13/short-mid-range-zoom-lenses-for-gannets-in-flight-and-diving-and-a-great-acr-tip-for-converting-under-exposed-raw-files/comment-page-1/#comment-1757856 Sun, 15 Jul 2018 00:13:46 +0000 http://www.birdsasart-blog.com/?p=56559#comment-1757856 In reply to Arthur Morris/BIRDS AS ART.

Focus breathing is where magnification changes as focus distance changes. You can see the effect by focusing on something at a distance and observing the framing. Then as you move the focus closer to you, watch the framing change. Some lenses are worse than others, but you basically don’t get the full “reach” of some lenses at closer distances.

Hope that helps.

]]>