EXCERPT page containing first few paragraphs. 2021-12-08 01:29:37
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Vignetting to the far corner area is 2+ stops at f/1.8 without correction, and about 1.25 stops with correction.
Since vignetting can be a creative tool, it might be wise to simply enjoy the natural behavior of the lens in some cases. Also, correction is potentially worrisome for gradient transitions (especially color crossovers), but if the camera does the correction in 14-bits internally (before the Sony 11+7 lossy compression file is saved), then it should nearly always be just fine.
Correction can be done in the raw converter, but in-camera correction may be more accurate (depends on the raw converter). JPEG files are corrected of course.
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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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- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
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