D3100 lens issue
widgeon161 Registered since 05th Dec 2011
Sat 24-Dec-11 11:26 PM
I just got a sigma DC 18-200mm f3.5-6.3 and it wont autofocus. Is the camera compatable with this lens? I must add that it is a used lense and it was put on a D7000 and it worked perfectly. Any ideas??