1. Using SCHOTT optical glass, precision grinding, high-definition imaging
2. Super waterproof coating, anti-fouling and scratch-resistant, effective protection
3. UV protection lens: used for shooting in the seaside, mountains, snowfields and open spaces, etc., it can reduce the blue tone caused by ultraviolet rays, and can also eliminate the interference of ultraviolet rays on the CCD
4. CPL: mainly used to eliminate harmful non-metallic reflected light, increase color density, improve the clarity and expressiveness of the picture
5. ND filter: prevent overexposure in strong light environment and resist scattered light
6. Material: aviation metal aluminum + optical glass
7. Size: Diameter 27mm, Height 4.2mm