1. Optical glass, precision ground and polished for high-definition imaging.
2. Multi-layer nano-coating process gives the lens excellent waterproof, oil-proof, stain-proof, and scratch-proof properties.
3. Aviation-grade aluminum frame with laser-engraved logo that wont fade.
4. Anti-slip gear design; knurled texture on the top and bottom of the frame for easy installation and removal.
5. Will not damage the original lens during installation; change filters anytime, ensuring you dont miss any exciting moments.
6. The lens is made with a nano-coating process, resulting in different colors under sunlight and artificial light.
7. Net weight: 4.5g
8. Dimensions: 4x4x0.5cm