【Features】The main purpose of this mobile phone CPL polarizing filter is to eliminate or reduce the strong reflection of non-metallic surfaces, thereby eliminating or reducing light spots and improving picture quality 【Design】This mobile phone lens filter adopts a 37mm lens phone holder design, which is extremely strong and can be used to install any other 37mm filter 【Clarity】Using CPL, can eliminate reflection of glass, take clear picture of window, can also eliminate reflection of water surface, to achieve clear glamour effect 【Color effect】Using CPL polarizing lens, can effectively improve color saturation and contrast, make shooting image more pure, increase color concentration, deepen sky blue 【Using method】This mobile phone lens filter is very simple to use. After installing the CPL, rotating the lens can eliminate stray light, which is very convenient and practical