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Leica M240
Leica 90mm f/2 APO-Summicron-R ASPH

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Aperture Series: Barcroft Weather Box (M240)

A study in sharpness, contrast and bokeh.

At the time this series was shot (first experience with the R-Adapter M), the issues of M240 shutter vibration were not well understood. Leica R-adapter M used via tripod foot mount with 2-second self-timer and Light Metering Mode = Advanced ('Classic' with Live View off avoids shutter-shutting issue). The shutter vibration danger zone centers around 1/30 second.

f/2, f/2.8, f/4, f/5.6, f/8.0, f/11, f/16
1/500, 1/250, 1/125, 1/60, 1/30, 1/15, 1/8

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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.

Aperture series 2, 2.8, 4, 5.6, 8 available in full article

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