【WHAT THE CPL FILTER DOES】: The Kase CPL filter can eliminate harmful reflected light, improve image clarity and expressiveness, and increase color saturation. It able to eliminate reflections of light from glossy surfaces like water or glass, make the colors of blue sky, green leaves, flowers, ridges and buildings more vivid. It is an indispensable filter in your shooting. | 【WATERPROOF&OIL-PROOF】: The double-sided waterproof and oil-proof coating layer forms a protective layer similar to the lotus leaf, which makes water droplets and oil stains cannot be adsorbed on the surface, making cleaning and maintenance easier. | 【HIGH-QUALITY ALUMINUM FRAME】: The kase CPL filter frame is made of high-quality aluminum 6063, CNC machining precision, anodized coloring, and laser engraving. It is easy to install and take out from the lens. Also the plating layer will not peel off due to long-term use. | 【ABOUT PACKAGING】: The outer box of the circular polarizer lens filter increases the plastic film, which is effective waterproof and oil-proof. | 【HOW TO INSTALL AND USE】: When we use a CPL filter, we need to rotate the front lens of CPL. While using the viewfinder to observe the picture, when turning to the reflective part from the light to dark, it is to eliminate the appropriate angle of the reflector, and you can shoot according to the shutter. | 【DAILY MAINTENANCE】: 1.Blow off the dust on the filter. 2.Use a filter cloth gently. 3.Clean up 4.Put back a filter box. 5.Protective filter. | 【NO WORRIES AFTER SALE】: In order to provide you with quality products, all of the Kase CPL filters are produced under a precise and strict system. If you have any problem with the product, you are welcome to contact us at any time, our professional team will try their best to solve it within 24 hours.