CPL Filter Function: With the function of clean unwanted reflections from non metallic surfaces like water, glass, sky, etc., the CPL Filter can deepen the sky, enhance colours, and increase contrast, thus enhancing the image and facilitating the shooting of rivers, landscapes, etc., and obtaining the ideal photographs Multi Layer Coating: This filter is crafted from HD optical glass to ensure a HD visual experience. The multi layer coating protects the surface of the filter from scratches, restoring the colors of the image and making it easy to take photos Easy to Install: The CPL filter can be installed by screwing it onto the mobile phone clip, which is relatively easy to operate. When shooting, you can adjust the rotation angle of the filter to get the ideal polarisation effect to meet your shooting needs Wide Compatibility: It can be easily mounted on most smartphones, helping mobile photography reach a professional level. At the same time, it also works seamlessly with cameras equipped with a 52mm lens cable to meet the needs of different shooting equipment Kit Contents: 2×CPL polariscopes, 2×wiping cloths and 2×storage pouches will be provided. It's easy to carry, easy to take photos, suitable for travel photography, outdoor photography scenes, can be used to capture the river, sunrise and sunset