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Leica 28mm f/2 Summicron-M ASPH

Vignetting: 28mm f/2 Summicron-M ASPH

Vignetting is well controlled even at f/2.

Stopping down improves matters slightly, leaving only natural vignetting at f/5.6, which seems to be handled in its entirety by Leica M9 lens correction.

See also the Color Shading page.

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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.

  • Make better images by learning how to get the best results right away.
  • Save money by choosing the right lens for your needs the first time, particularly the Summilux/Summicron/Elmarit choice and/or Zeiss ZM.
  • Make better images, a sort of “cheat sheet” saving yourself months or years of ad-hoc learning. Processing parameters are discussed and shown.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops [past 2 years or so].
  • 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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Leica 28mm f/2 Summicron-M ASPH vignetting
Leica M9 + Leica 28mm f/2 Summicron-M ASPH, ~f/5.6 @ 2 sec, ISO 160

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