Quote Originally Posted by jnanian View Post
why don't you bring your camera+lens in person to a repair shop
drop it off and get a free estimate to see what is wrong with it ...
instead of having every one here make suggestions as to what *might* be wrong.
an estimate is usually free, and repair people will have the camera+lens in hand
and be able to tell you exactly what is wrong ... instead of a guess.
A: its only happening with one lens apparently
B: camera repair shops are as bad as gas stations for charging for unecessary/phony work
EI: "the focus problem is the knifler pin, we can fix it for $28.00 come back tomorrow" they hit it with compressed air and wipe it off with a silicone treated cloth,whack you $28.00