This HAIDA ND lens fitler features: Made from high quality optical glass. Features front thread for use with multiple filters / hoods. High quality, extreme ND neutral density filter, the new Pro II professional MC series with very slim filter mount. Specially designed for digital cameras, with new 8-fold Multi-Coated. Extremely resistant to dirt, scratches and water. Reflections are effectively minimized, increasing the clarity of the image. Very Low risk of filter mounts related vignetting (shadowing) in the image corners. Includes plastic case.