EXCERPT page containing first few paragraphs. 2021-05-15 06:50:20
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The Sigma Photo Pro software and the Sigma dp2 Quattro (and DP Merrills) are not in agreement on color rendering or contrast even when processed with identical settings.
The following suppositions are extant:
- The Sigma cameras and the SPP software cannot agree on color even when using the same processing settings.
- The camera-generated JPEG has over saturated color and too-strong contrast; this appears to be caused by sRGB r/g/b/ numeric values tagged as AdobeRGB (even though the camera is set to AdobeRGB).
- Both the camera and SPP appear to clip color to sRGB regardless of working space designation or output color profile (not shown on this page, but no combination of working space and color profile shows increased gamut).
- SPP does not display color properly while processing images, making it difficult to evaluate color.
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