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EXCERPT page containing first few paragraphs. 2021-11-29 13:47:16

Sigma DP2 Merrill
Sigma dp2 Quattro

dp2 Quattro vs DP2 Merrill (Fruit Arrangement)

X3F files converted with Sigma Photo Pro 6.0.5, August 2014. Version 6.0.5 properly tags output with the color space; files converted to 16-bit ProPhotoRGB and then converted to AdobeRGB for presentation.

This comparison took hours just to create the TIF output; it was an intensely frustrating experience. Two (2) raw files seem simple enough, but after hours of trying to make the dp2 Quattro color look right, manually tweaking white balance and tint, your author gave up and just finally used click white balance on the WhiBal card. The results are quite unsatisfactory. Whether this is an inherent “Sigma color” issue with the dp2 Quattro or some bug in Sigma Photo Pro remains unclear.

As for the JPEG output from the dp2 Quattro (not shown), the files are the most hideously garish intensely over-saturated intensely disasters your author has ever encountered in a digital camera—complete garbage. So JPEG out of camera is no solution here either.

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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.

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  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

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Variants dp2Quattro, DP2M available in full article

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