Nikon D5 comparing ISO 800 to 66535

I shot this group photo of 400 musicians, and to get the most even light, I ended up bouncing 4–Alienbees B1600 strobes with 45º reflectors bouncing off the ceiling. I also used the ExpoDisc to get a custom white balance.

Here is a pretty heavy crop of the above photo.

Nikon D5, Sigma 35mm ƒ/1.4 DG Art, ISO 7200, ƒ/5, 1/200

Now, this is a performance shot with available light. If you notice, the light on the orchestra at the bottom wasn’t very even, so I shot with strobes rather than using available light for the group photo.

Now to give you an idea of how good ISO 7200 looks, here is an enlargement of a similar size to the first photo.

Pretty awesome if I say so myself.

Nikon D5, Sigma 120-300mm ƒ/2.8 DG OS HSM S, Sigma TC-2001 2x, ISO 66535, ƒ/5.6, 1/200

I was blown away by the ISO 66535 quality of the french horn player.