EXUS 49mm CPL 49 Marumi Antistatic MC Slim Thin Filter Circular Polarizer made in Japan Reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. Arrange and filter directionally polarized light perpendicularly to the reflected light allowing for the absorption of much of the light. Lessens haze in distant landscapes and provides more saturated, vivid colors. Strongest effect when used at a 90 from the sun. Thin-profile filter ring reduces likelihood of vignetting when used with wide-angle lenses. Multiple light-blocking ridges, a satin finish, and a black ink coating are all integrated into the filter ring design to help minimize reflections to promote more consistent light transmission. Teflon-coated male threads facilitate easier attachment and removal of filter as well as eliminate the likelihood of filter jamming.