Hi, I have a canon ae-1 that came with a 35-70m 1:3.5-4.5 canon fd zoom lens. I recently bought a hoya linear polarizing filter that screws onto the lens. 1. When I'm focusing on the zoom lens, it also rotates the polarizing filter, apparently affecting the polarization. Therefore it requires that I delicately twist the polarizing filter to the desired polarization without changing the focus. Is this tricky task avoidable in any way? Would a different lens be better?