EXCERPT page containing first few paragraphs. 2019-10-15 05:45:30
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Sigma sd Quattro firmware 1.01. Shot with Sigma 30mm f/1.4 DC HSM Art.
With the serious challenges presented by the Sigma Photo Pro software when dealing with X3F raw files, Sigma sd Quattro users might consider JPEG if the image quality is there.
This page shows the six black and white JPEG variations offered by the Sigma sd Quattro, as well as a reference image derived from the color JPG.
sd Quattro bug in black & white rendition
The images were shot at RAW+JPEG Fine with color space set to AdobeRGB. Whether it occurs with other settings is unknown (e.g., JPEG only or using sRGB) because the camera had to be returned unexpectedly early (no further testing possible).
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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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