Now this is where the A7Rii shines...

[pdk42]

ISO 12800 in a dimly lit club.

Olympus 100mm f2.8 wide open:

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Jazz Guitars by Paul Kaye, on Flickr

 

[Kiwi Paul]

A nice clean shot, no noise or anything.

 

[pdk42]

I applied a little NR, but not much. There's noise to be seen at 100%, but actually not too bad. When reduced to sensible sizes though, it's essentially clean. I know I'd have been struggling with my Olympus gear in this sort of light.