Quick installation and removal, magnetic filter can be installed in one secondNo color cast, three gears dimming (0.9)16-layer nano-coating, with anti-reflection green film, which can effectively reduce the reflection of the filter surface while filtering ultraviolet rays, greatly improving the light transmittance and balancing the colorAfter the glass is optically polished, a high-tech film is plated on the surface. "Moldproof", "Waterproof", "Scratch-proof" and "Greasy-proof". While having the characteristics of hard scratching, it will not have any impact on the image quality, even if it is contaminated with water droplets or oil, it can be easily removedEquipped with aerospace-grade aluminum alloy material magnetic lens cover, both magnetic and threaded, you can install the lens, two-in-one function. Both attachment ring and magnetic metal cover included..