EXCERPT page containing first few paragraphs. 2019-02-22 01:24:00
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Sony A7R II, firwmare version 3.1.
This close-range scene pits the Sony 85mm f/1.4 GM against the Zeiss Batis 85mm f/1.8 Sonnar. The shooting distance is roughly equivalent in reproduction ratio to a tight head and shoulders portrait, thus it is highly relevant to real-world usage.
Close-range performance is one area where many lens designs are compromised. The Sony 85mm f/1.4 GM declines significantly in performance at close range which is easily at 12.5X magnified Live View, or by shooting a few images at close range. So how does it fare against the Zeiss Batis?
Field of View
The camera remained in a locked down fixed position. Since the entrance pupil position is different between lenses (and the actual focal length almost certainly differs also), there is an unavoidable perspective difference in this comparison.
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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.
Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.
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