UV, Clear or rotatable CPL?
UV, Clear or rotatable CPL? Hi, I want to buy a filter mainly to protect my lens. Should I get a rotatable CPL to serve as both UV and CPL although I'm not experienced with CPL and don't know how to use it? What brands do you recommend, Hoya, B+W, Marumi, KnF? Should I buy used? Only downside to CPL I've seen is that it reduces 1-2 stops of light (even when rotated) which...