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Leica M240

35/1.4 Summilux vs Zeiss 35/2 Biogon (M240, MTB)

This comparison was made with the Leica M Typ 240 using the EVF in 10X magnified Live View. Focus bracketing was done for a definitive comparison, bearing in mind that a small focus shift with each lens as well as field curvature with the 35/1.4 Summilux are factors as well.

The subject is very close to being geometrically planar, the mountain bike frame and wheels were positioned to be in close to a plane, though there is of course depth front to back on the bike. The camera was centered on the Siemen’s star at center for focusing.

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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.

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

Leica 35/1.4 Summilux-M ASPH FLE and Zeiss ZM 35/2 Biogon
(not to scale)
Test scene

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