Feature:1. Optical Glass Lens: The lens adopts optical glass, high definition grinding treatment, high definition sharpness, high definition imaging, to meet the needs of professional photographers.2. Multi Coated Filters: Using double sided multilayer nanometer coating technology, the lens has waterproof, oil proof, anti fouling and scratch proof performance, easier to clean and maintain.3. CPL Lens Function: CPL is a commonly used filter, which eliminates unnecessary reflections and can eliminate most of the reflections on non metal non spherical surfaces.4. Application: Generally used in landscape photography, the sky is bluer when shooting, and the reflection on the water surface is eliminated when shooting the water surface, to make picture clearer and more transparent.5. Easy Installation: Tear off the stickers on the back of the filter, stick it on the lens directly, quick and convenient disassembly and assembly, perfectly suitable for Hubsan Zino Mini Pro lens series.Specification:Item Type: CPL FiltersMaterial: Aluminum Alloy + Optical GlassModel: CPLColor: As Pictures ShownWeight: Approx. 23g/0.8ozApplication: for Hubsan Zino Mini Pro Lens.Package List:1 x CPL Filter1 x Washed nanometer Sticker1 x Storage Box