EXCERPT page containing first few paragraphs. 2023-02-08 03:03:13
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Distortion is of the wave type, generally unavoidable in an extreme wide angle design.
One finds moderate barrel distortion over the central 3/4 of the frame, reversing to accelerating pincushion distortion beyond that— a wave-type pattern readily visible on man-made structures, such as the front of a building.
It is the pinching effect (pincushion distortion) in the corners that photographers should be most aware of during composition; your author finds this much more objectionable than barrel distortion.
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Diglloyd Guide to LEICA contains in-depth coverage of Leica M system cameras and lenses, with additional coverage of Leica M Monochrom, Leica Q.
Special emphasis is placed on Leica M lenses and certain Zeiss ZM lenses.
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- Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
- 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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