-Suitable for DJI Mini 4K Mavic Mini Mavic Mini 2; Used to filter light and improve image quality; - Made of Germany imported optical glass, high-precision grinding process, high light transmission and clear image; -The surface has multi-layer coating, high transparency, restores true color; waterproof, oil-proof, anti-scratch, can effectively protect the lens; - The frame adopts built-in molding technology, which does not affect the shooting and has no vignetting; - Simple installation, perfect fit and no need to remove for storage;