Optical Glass: Accuracy grinding and polishing, high definition imaging; Bring you a better use experience and help you take beautiful photos. CPL Adjustable Design: By rotating the gear can adjust the light, choose the appropriate light for shooting; To help you successfully complete the shooting work. With Storage Box: The box is equipped with a soft sponge, and the fixed filter is not easy to drop, so that you can travel easily. Polarizer Function: Polarizer can eliminate harmful reflections, improve image clarity and performance, increase color saturation, such as , white clouds, etc. Eliminate reflections from glass or water. Advanced Technology: The use of double sided multi layer nano coating process, giving the lens high grade waterproof, anti scratch performance.