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Leica 50/2 Summicron vs Leica 50/0.95 Noctilux

The Leica 50/2 Summicron-M and the 50/0.95 Noctilux-M ASPH posed fundamentally different design challenges to Leica lens designers, with the 2+ stop faster design of the Noctilux present as at least an order of magnitude more challenging to correct for some aberrations.

Because of very different design constraints, optical performance can vary significantly by aperture and in other ways, such as field curvature, distortion and vignetting. An f/0.95 design is fundamentally difficult in a myriad of ways, so some design parameters must be allowed some flexibility.

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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.

Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Leica.

Leica 50mm f/2 Summicron and Leica 50mm f/0.95 Noctilux-M ASPH
(not to scale)
Variants Noctilux,50f2 available in full article

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