Possible Duplicate: How do camera body motors compare to in-lens motors for focusing? Can I save money on lenses by buying a Nikon camera with an in-body autofocus motor? I would like to ...
I have dilemma what camera is better Nikon D5100 or D90. The first one is newer but the second one has lens servo ("screwdriver") motor. My question is: can I save some money overall with the more ...