Quote Originally Posted by Kayaker72


Should I be using manual focus for less than f/3.5?


If you have a high precision focus screen, yes. Otherwise, it still wont be accurate enough. Liveview would definitely do the trick, but can't be used in fast paced shooting. My solution in these circumstances is "focus bracketing" (AKA "spray and pray"): take a burst of shots while you or the subject is moving slightly.