Below is an example of basketball pictures that seem to have the subject too soft (or OOF). the settings were: ISO 2000; 2.8, 1/400, using my 7d and 70-200 non IS lens @ 70mm. Use back button focus, AI servo, center point. It seems as if all my moving subjects end up soft like this while my static shots are spot on. I'm guessing that either 1/400 may be too slow or I am not allowing enough time for the lens to acquire proper focus. It also seems like I am getting a fair amount of noise at ISO 2000 (or perhaps I am being too picky...). Does anyone agree with my assesment? or perhaps suggestions on how to improve?