function
1. Optical glass with uniform density, so that the light reaches the lens directly, without disturbing the pixels, clear imaging, restore the original color.
2. Double-sided Multi-layer Coating, improved effectiveness, different materials are used to coat the lens surface to improve light transmission and reduce reflectivity.
3. Hardened waterproof coating, scratch-resistant, can easily wipe dust, fingerprints, water stains.
4. The lens is hardened and hardened at 6H, with a hard texture that can effectively resist scratches caused by sharp objects rubbing against the surface of the filter.
5. Connecting seat and lens frame using aluminum alloy oxidation process, corrosion-resistant long service life.
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