EXCERPT page containing first few paragraphs. 2022-01-23 00:24:14
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Near the short end of the zoom range at 28mm, this scene at close range looks at field curvature in particular.
Adobe Camera Raw 9.5 (585). View ACR Settings. Camera Profile = Camera Standard. Chromatic aberration is corrected via an embedded profile, enforced by ACR. Aperture f/9 and f/13 were sharpened to counteract diffraction.
Focus was on the mossy green stump (the part not overly bright). Just as seen in the Rushing Water Loop series, sharpness is modest at f/2.8 with no biting detail. And as noted in that series, there is a forward field curvature that starts not far from center. Otherwise, the large redwood at left ought to be sharp just like the mossy green stump in the middle. Similarly the foreground is oddly sharp; it ought to be out of focus.
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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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