UV (Haze) 1A Multicoated | Multithreaded Glass Filter (37mm) For Leica D-LUX 6 (Includes Filter Adapter Ring) Grade 010 (Filter Factor: 0 Zero) Rugged Metal Filter Ring (Black Finish) | Heat Treated Glass Slim Design Minimizes Vignetting Multicoated Designed For Video Or Photography | Multithreaded