Continuous shooting

This is a particularly hard shot for the AF system to keep up with; the dog is difficult to differentiate from the background, and he's moving erratically. It did a pretty good job, all things considered.

(1/500 sec, f5.0, ISO 400, centerweighted metering, Neutral Picture Style with sharpness +2, 24-70mm f2.8L lens at 70mm)