Does EFCS affect amount of noise in image?

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Soul Collector
Soul Collector Regular Member • Posts: 181
Does EFCS affect amount of noise in image?

I wouldn't think this would make any difference, but I've been doing some astro stuff lately, and I left my D850 in Qc mode with EFCS turned on.  The images seem to have a lot of color splotches and noise, and also some banding when I push on them really hard in post.  I switched to regular single shot mode, and it seems like the IQ is cleaner and better.  As far as exp. length, I've been doing 30-60 sec.

Is there any reason I'd see a difference between Qc mode with EFCS vs regular mode?

Nikon D850
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