Feature 1 CPL Polarizer Filter: CPL filter can effectively eliminate polarized light, restore the most real color of the scene, and make the sky bluer and water more transparent. 2 ND Dimming Filter: The ND filter can effectively reduce the exposure, so as to extend the shutter speed, you can take a shocking picture of the crowd, flowing water like silk, white clouds like cotton. 3 Optical Glass: The lens is made of premium optical glass, with multilayer coating on the surface, highly uniform refractive index and high refractive index, color fidelity and no dark angle. 4 Aluminum Alloy Frame: The filter frame is made of aluminum alloy to prolong the service life of the filter, ensure the hardness and reduce the weight. 5 Silicone Protection: The part in contact with the lens is made of silicone, which can effectively protect the camera lens while having a fixed effect. Magnetic suction design, which can be automatically adsorbed with one click, and the installation is faster.Item Type: Action Camera Lens Filter SetMaterial: Aluminum alloy, optical glassGross Weight: 64g / 2.3ozApplicable Model: For DJI Osmo Action3 Package List1 x CPL Filter1 x ND8 Filter1 x ND16 Filter1 x ND32 Filter