Steve Spencer wrote:
Well if the 6D is the standard and especially if you are talking the centre point AF, then that is a quite high standard. The 6D has a excellent centre point with even better performance in low light. I would expect something more like 5D MKII AF, but with some advantage--much better coverage of the frame and just as good of performance off the centre as in the centre. I would not be surprised if the A7r II AF matched or even bettered the 6D AF outside of the centre point AF, but I would be surprised if it did as well in the centre.
Matching the 5DII, used by a photographer who knows best how to select among focusing modes and use the camera to photograph dynamic subjects, would be quite something. While the 5DII certainly did not define the high end of AF when it was introduced almost exactly seven years ago (September 2008), in the hands of capable photographers it can be used effectively to track moving subjects with virtually any Canon lens.
I\'ll be very impressed if the A7rII can achieve that 5DII level of performance with a wide range of lenses, making it a very useful camera/lens combination for photography of active wildlife and similar subjects in a wide range of lighting conditions.
Dan
Aug 15, 2015 at 11:46 AM
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