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EXCERPT page containing first few paragraphs. 2023-12-02 01:42:59

Leica M10 Monochrom
Leica 50mm f/2 APO-Summicron-M ASPH

Aperture Series: Sulfur Mine Processing Gear (Leica M10M)

This aperture series from f/2 through f/11 shows the performance on a finely detailed subject, evaluating sharpness in the plane of the subject as well as the gains in depth of field near-to-far.

Includes images at up to full camera resolution from f/2 to f/11.

Sulfur Mine Processing Gear

Adobe Camera Raw View ACR Settings. Diffraction mitigating sharpening for f/8, f/11.

Overall the image looks good, but clear limitations can be seen at f/2 and f/2.8 in the outer zones across the processing unit—not until f/4 is full sharpness reached across the mining gear. Some of this is probably due to field curvature (arcing forward in the mid zones) which makes the results marginal at f/2 and f/2.8 in the outer zones. Bottom line is that use of f/4 is the minimum for for any planar or semi-planar subject like this.

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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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Aperture series 2,2.8,4,5.6,8,11 available in full article

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