Anyway, I'm sorry if that image misled the discussion down a different path. The two images below are at correct, default exposure - the second being DPR's test studio scene.
I downloaded the RAW file from DPR as well (ISO12800) and imported it into LR; with a bit of noise reduction the specks disappear.
NR to 50%; Noise Detail to 50%, Noise Contrast to 10%.
(No other settings applied).
Color Noise I cranked way up to near 90% just to get rid of the RGB noise.
If folks are pointing out that your image looks like it has dust on it, maybe you're not doing your NR properly...
Nov 29, 2022 at 06:59 PM
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