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EXCERPT page containing first few paragraphs. 2023-02-08 02:21:36

Leica M240
Leica Thambar-M 90mm f/2.2

Compared: Thambar 90mm f/2.2 vs Nikon 105mm f/2 DC: Bird of Paradise

This series assesses the Leica 90mm f/2.2 Thamber-M from f/2.2 through f/6.3, while also adding in the Nikon 105mm f/2 DC (defocus control) whose DC control adds selective spherical aberration.

While the focal lengths are not a match, the question is: why not spend about $1000 on a much more versatile lens (the Nikon 105/2 DC) and skip the Thambar? The Thambar is not a coded lens for Leica, and so the fact that the Nikon 105/2 DC is not coded is of no relevance. It is used with a Nikon F to Leica M adapter.

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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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