Qualities of a good Circular Polarizer
Qualities of a good Circular Polarizer Three months ago, I purchased a Tianya circular polarizer for my Canon EOS 250D. I have used it with an ultraviolet filter. I have found the impact of CPL somehow "weak". Turning the ring only makes a slightly underexposed tone change. (In the past, when I used to have a SLR in the 1990s, the impact of the Hoya CPL was OK.) By no means am I a pr...