Agree on both points! The eye AF is quite nice but I think I would still have a hard time using that setting all the time. As an example take the recent bear cub picture that I posted. Before the shot, the bears were grazing in the tall grass and you could just see some brown lumps sticking up a bit every now and then. Suddenly the little cub stood up, so I nailed it with a quick burst. I was in single-point AF mode, so all I had to do was put the dot on it. If I was in eye-AF mode, I really doubt the camera could have found the right focus point as quickly as me. I'm pretty sure that I was too far away for the eye AF to work (my image is cropped), and there was a lot of clutter in the area so the camera could have easily picked a flower instead of the cub as the subject. If I had missed the shot because of that I would probably never want to rely on the eye AF again. That said, I can certainly think of times that it would have been really useful. For example, if you're in a boat and you're bobbing around, it's really hard to keep that single dot on a subject. As soon as you bounce off the animal, the focus lurches to the background and that is super annoying. So having reliable focus tracking would be a huge help. What I need to confirm yet is if the 1DX III tracking will solve that for me. I'm lining up a bear viewing trip for the fall so that could be my best chance.... stay tuned.





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