This is a video of a Clark's Nutcracker in my back yard using a new 70D Camera and an EF500mm f/4 (800mm). This is the first video taken with the camera that arrived today. The autofocus was set by touching the LCD on the back of the camera in the area I wanted the focus. It works! I have tested the AF on moving objects and it works as well. I'll have examples soon.

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