PGYTECH For DJI OSMO Action 3 Filter Camera Lens Pro Version,Spec: NDPL 8163264 1. Using Schott optical glass, precision grinding processing, high-definition imaging 2. Super waterproof coating, anti-fouling and anti-scratch, effective protection 3 UV protection mirror: used in the seaside, mountains, snowfields and open spaces and other environmental shooting, can reduce the blue tone caused by UV, but also to exclude the interference of UV on the CCD 4. CPL: mainly used to eliminate harmful non-metallic reflected light, increase color concentration, improve the clarity and expression of the picture 5. ND scrims: to prevent overexposure in bright environments, to resist scattered light 6. Material: aluminum + optical glass 7. Adaptation models: for DJI OSMO ACTION 3 7. Size: 21.5 x 17.2 x 3.7mm 8. Net weight: UV: 6g, CPL: 8.1g, ND-PL: 8g x 4, ND: 6g x 4