We knew that the sensor Canon had put into its flagship EOS-1D X Mark III DSLR was going to be a good one, and we’ve put it in front of our studio test scene to see how it stacks up against its sports-shooting peers.

Raw and JPEG performance

Right off the bat, we can see good detail capture for this class of camera at lower ISO values, but that’s not really a surprise. These cameras need to just work, in any situation, and the EOS-1D X III delivers in extremely low light with noise levels noticeably lower than its predecessor.
…
Read full post here:
https://www.dpreview.com/articles/2170856751/the-canon-eos-1d-x-mark-iii-shoots-canon-s-best-ever-jpegs