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Making Foveon-like Images with a Bayer Camera

Started Feb 23, 2022 | Discussions thread
NordicFlyer Junior Member • Posts: 31
Re: Making Foveon-like Images with a Bayer Camera

Tom Schum wrote:

NordicFlyer wrote:

One more try...this time with Raw Therapee-Gimp methodology; final edit in CaptureOne 22. Linear response curve, Auto adjust exposure, contrast & brightness, HDR, and levels. White balance sampled in the same area of both images.

Very little difference between the two images outside of lightness and subtle colour differences. Which image is best? Are they "Foveon" like? You decide.

Capture One 22 NEF to JPG

Raw Therapy/Gimp methodology. Tif to JPG.

When I reduce the first one to 1/4 original pixels (2144-x1424) by the Nearest Neighbor method, it very closely matches the second one (2156x1430) at pixel level.

Thanks Tom. I should have reduced the size of first image as you did - for a proper comparison. I did notice the subtle green colour cast on the RT/Gimp produced image - something that I am all too familiar with, i.e., the Sigma DP1 green colour cast problem.

Although I am still pleased with the output of the DP1 in good light, my old D300 with a wide-angle prime rivals the output of the aforementioned in good light and exceeds it greatly in low light.

I suspect my next camera body/lens will be the Sigma fp/45mm or a FF Nikon. Brand loyalty means very little to me - a camera is simply a tool.

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