Quote Originally Posted by desmo13
Good place to ask this, since this is the 50mm thread, but I am having a terrible time with the focus. shooting with an xti, but any shots at all where there is movement, I lose half of them from the focus. operator error, or the limits of shooting with a 1.8?
Try shooting in Aperture Priority mode, and stop the lens down to f/8 or higher, that should fix your problem. Maybe if you post some of the photos to which you are referring we might be able to lend a hand a little better.