This MRC PRO CPL Circular PL filter increases color saturation, darken blue skies so white clouds stand out. and eliminate reflections from non-metallic surfaces like glass or water. It will also reduce the softness in scenery caused by atmospheric haze. * MRC Multi-Resistant-Coating, Waterproof, Oil Proof, Scratches Resistant * Black Almite Frame Filters feature a black matte. Black Rimmed Glass. These filters are equipped with black rimmed glass to reduce the chance of light reflecting off the edge. * Ultra Thin 1mm Glass, Rate of Transmission 99%, 17 layer Double Side Coating * Size: 40mm. Custom designed for FUJIFILM X10 and X20