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Ray Angle From Lens Exit Pupil (Table of Ray Angles for Zeiss ZM Lenses)

The factor influencing the amount of off-center vignetting and color shift if the ray angle, which follows from the exit pupil position and the frame size (36X24).

See also Leica M Lenses on Sony A7R: The Reality of Performance and Ray Angle and Optics: Leica 50/2 APO vs Zeiss 50/2 Planar (Wyman Cabin).

The ray angle, combined with the centering of sensor and lens with respect to each other, as well as the sensor design itself, all combine to produce more or less vignetting and off-center color shift, which might not be symmetric!

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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, Leica SL.

Special emphasis is placed on Leica M lenses and certain Zeiss ZM lenses.

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  • Save money by choosing the right lens for your needs the first time, particularly the Summilux/Summicron/Elmarit choice and/or Zeiss ZM.
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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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Variants By Angle, By Focal Length available in full article
Ray Angles for Zeiss ZM lenses

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