Description/Features: 1. Optical glass, precision grinding and polishing, high-definition imaging; 2. Adopting double-sided multi-layer nano coating technology to restore ; 3. Double sided oil repellent and waterproof, providing protection for your lens; The aviation frame material and logo are laser engraved without fading; 4. The lens not be during installation, and the filter can be replaced at any time to prevent you from missing out on eciting moments 5. The CPL is adjustable, and the light can be adjusted by rotating the gear to select the appropriate brightness for ; Specifications: for 3 Notes: 1. Only UV filters can transmit 98.5% of light, while CPL filters cannot be epressed as transmittance; 2. Only CPL/NDPL filters can be adjusted, other filters cannot be adjusted Due to different batches, there may be differences in product appearance and printed tet, which not affect use Material: Aluminum alloy + optical glass colour: As Shown Package Contents: 1 Lens Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.