Niels Kristian Bech Jensen <nkbj1...@hotmail.com> writes: > > Yes, that's what I'm doing, RAW+JPG. So I could compare pixels in any >> pair of files shot that way. Except the size isn't exact. The JPEGs >> are 6000x4000, the nefs are 6036x4020.
> There is also some in-camera lens distortion correction in the JPEGs which > means that pixels are not just pixels. For this and similar reasons, I'd advise using a photo where most of it is a grey card, or a color checker, and only worrying about color/luminance in the patch areas. Even just figuring out luminance for 18% grey would be a big contribution.
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