Features: ND 8 CPL 2-in-1 filter, can not only reduce the amount of light entering the lens but also darken skies, manage reflections and suppress. Made of CNC Aluminum alloy frame, professional optical glasses, double-side multilayer blue film coating, high transmittance and low reflectivity. Adopts nanometer coating layer technology, can effectively prevent from oil, fingerprint and scratch, waterproof and anti-reflective. The filter frame is only 5.2mm, preventing wide angle vignetting. Suitable for different shooting conditions, such as water falls, clouds and other beautiful scenery.