Originally Posted by
EricPvpi
Question on the tripod mount. I find it rotates a little rough compared to the f/4 IS. On the f/4, the barrel is smooth, so the fuzzy side of the ring lets it rotate pretty nice. With the f/2.8 it has the 4 little bearings and they clack against the 4 slots in the ring as you rotate. Is that to be expected?