JW 37mm CPL Circular Polarizer Filter For Olympus M.Zuiko Digital ED 14-42mm f/3.5-5.6 II R Lens,ED 14-42mm f/3.5-5.6 EZ Lens,Panasonic Lumix G Vario 12-32mm f/3.5-5.6 ASPH. Lens+ JW Cloth JJC Ultra-Thin Circular Polarizer Filter is constructed from advanced optical glass, with a high polarizing of 99.8%, so it can eliminate reflections effectively, and restore the high quality image. JJC Ultra-Thin Circular Polarizer Filter can reduce glare effectively and bring you high-definition and vivid pictures! JJC Ultra-Thin Circular Polarizer Filter lessens haze in distant landscapes and provides more saturated, vivid colors. AGC ultra-clear optical glass is used in order to maintain clear image quality with high contrast and color fidelity. The frame measures 4.78mm-thick, and its slim design helps to minimize the likelihood of vignetting. The frame is made of aviation aluminum material and has a matte finish on the surface.