EXCERPT page containing first few paragraphs. 2020-11-27 23:55:40
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This page looks at focus shift with the Zeiss Otus 100mm f/1.4 APO-Sonnar. I was bummed to realize just how significant the shift is, as it is hugely relevant when shooting in Multi-Shot High-Res mode.
Tips for dealing with the focus shift follow after the example.
This behavior can be repeated on any subject (I shot several examples, this is just one). The focus shift affects all of the frame, including even more central areas. It’s not that sharpness drops where focused—indeed it holds—it’s that the lion’s share of depth of field gains accrue closer to the camera.
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