I think I am starting to notice a pattern with the AF of the D300. Shooting in AF-C, 9 point dynamic. For example, aiming at a perched bird, waiting for it to take flight, I have focus pressed so that the bird is in focus. I hold the focus (thru half-press) and then the bird takes off. I start shooting but have noticed that the AF seems to stay on the post the bird was sitting on instead of following the now moving bird. The bird is large enough in the VF to cover all 9 sensors. Question is, is this a characteristic of the camera, or a problem with my methods?