Problems measuring camera SNR with darktable and Raw Therapee

VNG4 is not good for high frequency details but handles different greens well out of the box. With the fix I mentioned above you should get better Amaze results for images from your camera because then green equil. is automatically applied to Amaze demosaiced images as well.

There are only a few cameras which need that setting. For example a lot of Olympus and some Canon cameras and also some other camera/lens combinations…