Quote Originally Posted by Joel Eade View Post
For my set up bird photography I like the image quality of the 5DS R above the 1DX and the 5D MKIV as long as the ISO can stay below 2000

Above that level I think the 5DMKIV and 1DX images start to look better than the 5DS R.
I guess I am just going to have to trust you Joel. Because they all look so good to me.....

But it is interesting that you are seeing the cut off.