EXCERPT page containing first few paragraphs. 2021-12-01 08:43:03
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A lens can deliver credible results on a 3D scene as in Big Laurel at Bend in Alpine Creek. But apply it to a distance scene where everything must be sharp across the frame, and all its dirty laundry is revealed. Few lenses can capture a scene like this without revealing at least one significant weakness.
This series from f/2.8 to f/5.6 reveals a problematic weaknesses in the sharpness across the field of the Canon RF 15-35mm f/2.8L IS USM at 16mm.
These results confirmed identical at closer range in Grey Mud Oozes from Cliff.
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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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