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EXCERPT page containing first few paragraphs. 2017-03-27 21:27:50

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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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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