1. Material: optical glass
2. The UV filter can reduce the blue tint caused by ultraviolet rays and effectively protect the camera lens
3. The ND filter can reduce the amount of light entering the camera, so that the camera selects the correct exposure value to prevent overexposure
4. Simple installation
5. Multi-layer coating, oil-proof, water-proof and scratch-proof
6. Size: 21.1x11.3x3.8mm
