ProMaster 82mm Circular Polarizer - StandardProMaster 82mm Circular Polarizer Standard ProMaster SKU: 7640 Helix SKU: PR7640 OVERVIEW Light rays which are reflected by any surface become polarized and ProMaster Polarizing filters are used to select which light rays enter your camera lens. They allow you to remove unwanted reflections from non metallic surfaces such as water, glass etc. They also enable colors to become more saturated and appear clearer, with better contrast. This effect is