Tokina 80-200mm f/2.8 AF on D3100


Jan 24, 2011
117
0
16
SBW
#1
Hi guys, I have a question to ask, as I checked this lens Tokina AT-X 828 AF Pro 80-200mm f/2.8 on tokinalens main site and found out that it have IF. But when I use with my D3100, the AF doesn't work.. any1 know why?
 

lankyal

New Member
Sep 2, 2008
1,318
4
0
#2
The lens does not have a built in motor, that's why it does not AF with D3100.
 

brapodam

New Member
Jun 12, 2009
1,672
4
0
AMK
#3
Internal Focusing (IF) is different from Built-in Motor (BIM). D3100 requires lenses to have BIM to focus. IF just means that the lens will not extend when focusing.
 

Top Bottom