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EXCERPT page containing first few paragraphs. 2023-02-08 01:43:02

Leica 75mm f/2 APO-Summicron-M ASPH

75mm f/2 APO-Summicron-M ASPH

The 75mm f/2 APO-Summicron-M ASPH was always always hit and miss for your author when focusing with the rangefinder on the M9. But on the Leica M Typ 240, the lens pops into or out of focus beautifully using Live View with the EVF, hugely reducing the error rate. Gratifying and satisfying.

The 75/2 APO has a built-in locking lens hood, which is both elegant and practical, but the lens absolutely MUST be shaded to keep direct sunlight from grazing the front element, or a veiling flare quickly develops.


The total feature set is outstanding. Moreover, 75mm is more versatile for all-around use than its 90mm sibling*.

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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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Color bokeh: magenta/green color fringing on out-of-focus areas

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