EXUS 72mm CPL 72 Marumi Antistatic MC Slim Thin Filter Circular Polarizer made in Japan Marumi EXUS 72mm Circular Polarizer Filter - Protective Filter Case - Marumi Warranty 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 90deg. from the sun