9th September 2003, 10:13 PM
Query regarding Tokina's Focus Clutch Mechanism
I finally bought the cheap cheap Tokina 28-70 ProSV on offer...
so far so good...
just got one question, this one got the Tokina's Focus Clutch mechanism to toggle btw manual focus and autofocus....
it also has a switch to toggle btw manual and auto...
my question are :
1. is it necessary to switch the tiny switch before pulling the clutch mechanism to and fro
2. while in autofocus mode, will turning the focusing ring damage the lens autofocus mechanism
3. i can only engage the clutch at the previous focus length setting instead of at the extreme focus ends as stated in the manual.. is there any problem with it?