I have to say that contrary to what some have posted. I'd certainly be happy to hand these to my editor. While I can use my 1DMKIII at 6400 and do many times a week. I can't even begin to get underexposed and brought back enough to come close to reaching a usable 10000 ISO with it. I'll just be happy when Adorama finally ships mine to me. I'll put my 1DMKIII to good use as a backup.