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Canon 5D Mark III

Sigma dp2 Quattro

dp2 Quattro vs Canon 5D Mark III (Dolls)

dp2 Quattro X3F converted with Sigma Photo Pro 6.0.1 32-bit, June 2014.

This controlled comparison asks: is the 19.6-megapixel dp2 Quattro at least equal to a ~22-megapixel Bayer matrix camera? The 22-megapixel Canon 5D Mark III is a worthy candidate for comparison, which cuts the dp2 Quattro considerable slack over a 36-megapixel DSLR or 36MP mirrorless camera.

This is not a lens test, but two lenses were chosen for use with the 5D Mark III:

Sigma 50mm f/1.4 DG HSM A—easily the best autofocus 50mm lens on the market for Canon or Nikon. A high performer playing second fiddle only to the Zeiss Otus 55/1.4 APO-Distagon.
Nikon 45mm f/2.8P—a very simple Tessar design with only 4 lens elements in 3 groups (not well corrected at all!).

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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.

Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.

Make better images by learning how to get the best results right away. For example, the best way to set up your Sony camera.
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Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
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Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

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