Questions? Go here: www.youtube.com Explanation on understanding the benefits of circular polarizer (CPL) glass filters. We do NOT recommend those unlisted brands: Bower, Canon, Fujiyama, Hitech, Kenko, Marumi, Polaroid, and Sigma.
A short review of the Hoya Circular Polarizing filter (67mm) and example of how it reduces reflection and improves colour and contrast.
B+W 67mm Circular Polarizer MRC, multi coated, reflection and scratch resistant. Perfect glass - no scratches. You can use other filters with this filter (has threads for it)