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M240 at 28mm vs Sigma DP1 Merrill: Native Resolution

The 28mm f/2 Summicron-M ASPH and 28mm f/2.8 Elmarit-M ASPH represent Leica’s best 28mm efforts as of mid 2013. How do they perform on the 24-megapixel Leica M240 against the Sigma DP1 Merrill?

The about $899 Sigma DP1 Merrill (“DP1M”) incorporates a fixed 28mm f/2.8 (equiv) lens on an APS-C sensor. [Its two siblings offer 45mm and 75mm options with the same sensor. All are reviewed in Guide to Mirrorless]. The Sigma Foveon X3 sensor is 15 X 3 megapixels producing 14.75-megapixel finished RGB images. It has no need for an anti-aliasing filter and does not suffer from the digital artifacts (moiré, color aliasing, jagged edges, etc) seen with conventional Bayer matrix sensors e.g., the CMOS sensor in the Leica M240.

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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 and Leica S.

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 28 megapixels filling up to 5K display, 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 M240 + Leica 28mm f/2 Summicron-M ASPH + Leica 28mm f/2.8 Elmarit-M ASPH
Sigma DP1 Merrill (28mm equivalent)
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