EXCERPT page containing first few paragraphs. 2022-01-25 11:41:56
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This aperture series from f/1.4 to f/9 assesses sharpness across across-the-frame at very far distance, achieving results that show how careful focus placement matters.
I would have loved to have shot this in pixel shift mode, but even with crystal-clear air with an AQI of zero, atmospheric temperature distortions (which can be seen to distortion the image from frame-to-frame) make pixel shift problematic.
Earth Shadow Rising Over Crooked Creek Research Station
Adobe Camera Raw 126.96.36.1990. View ACR Settings. Camera Profile = Adobe Color. Diffraction mitigating sharpening for f/9. Partial vignetting correction for f/1.4 and f/2. Lateral chromatic aberration corrected as per required EXIF flag requirement.
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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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