I had it on several eos body's, switching mode helps most of the time, for example, switch from AV mode to M mode try the wheel, switch back and try again.Hope it helps next time.
Ohh @linded, the 1DX MKIII stays on the bird, even with changing backgrounds, grass, trees house bushes, no problem at all in the live view tracking mode, again, it's a beast! 7 out of 10 sharp(only, itcould be on a wing, tail etc. ) but the AF is so...
I have the 1DX mkIII from Canon Netherlands to test/use. I'm shooting birds, and wildlife, the lacking of a animal eye focus and missing camera profiles in cameraraw(not Canons fault I guess) are the 2 main reasons I won't buy this camera(third is th...