EXCERPT page containing first few paragraphs. 2019-02-19 22:46:35
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This page offers color shading aperture series on the Sony NEX-5N for a selection of Leica M-mount lenses.
See the NEX-7 color shading page for more on color shading.
Shown is the color uniformity across the aperture range for each lens— “color shading”or in a sense, “color vignetting”. The effect is caused by interaction with the sensor cover glass over the digital sensor and it is the ray angle from the exit pupil which is most responsible.
Color shading comparison table
Be sure to view the Sony/Zeiss 24mm f/1.8 Sonnar as the reference lens; it is free of color shading, demonstrating that a “digital” lens designed for the sensor can address issues that no lens designed for film can.
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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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