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Distortion for Zeiss Loxia 85mm f/2.4 Sonnar
Distortion is pincushion (bowing inwards), which is not so pleasant.
The pincushion distortion of the Loxia 85/2.4 exceeds 1% into the corners, which is far lower than the 3% of the Zeiss Batis 85mm f/1.4 Sonnar and only a little more than the 0.8% of the Leica 90mm f/2 APO-Summicron-M ASPH. As for best of breed, the Zeiss 85mm f/1.4 APO-Planar has 0.4% distortion , and the Zeiss 85mm f/1.4 Planar has about 0.2% distortion.
Pincushion distortion is more visually troublesome than barrel distortion. While a 1% pincushion distortion is relatively low and hardly an issue for many subjects, it may be a factor in straight horizons, buildings, etc.
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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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