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Leica M240
Leica 50mm f/2 APO-Summicron-M ASPH

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Aperture Series: Church Mosaic and Lens Skew (M240)

Late 2013 sample, your author’s own copy. Like the previous sample, it has a slight left/right skew in which focus is closer on the right than the left.

Details: the early 2013 50/2 APO had flare problems, and the 2013 M240 had stability problems. Your author sent both items to Leica in September 2012, receiving brand-new replacements for both in late November. The camera and lens used here are those replacements. The lens skew persists just as with the first sample, a deeply disappointing outcome.

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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.

  • 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 50/2 APO-Summicron-M ASPH @ f/2

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