TERU TERU BOUZU-37mm Red Colour Slim Multi-coated Waterproof Protector Filter Lens and Cleaning Cloth. 7 Colour Selection Japan ''ASAHI'' Optical Class,1.2mm glass thickness.Color: Black,Red,Yellow,Blue,White,Pink,Purple. The 6-layer Anti-reflection multi-coating are applied to the surfaces to produce an average light transmission over 99.8%, it can effectively reduce the ghosting and lens flare caused by reflections, giving sharp contrast and well balanced color. Super resistance against water,oil and fingerprint,Wipe easily. Anti-Scratch-Hardened coating can effectively prevent the glass scratches or collision injury. 5.5mm Ultra Slime frame-The ultimate low profile design and the New Retainer Ring Mount Technology giving this filter an unsurpassed durability, it also can reduce the risk of vignetting when use with wide-angle lenses. it is a perfect filter for general use.