Infrared control and neutral density filter made out of high-quality optical glass. Optimized for high definition 6K digital cameras. With exclusive dual-sided nano coating technology, ultra low color shifting and many other great features, the NiSi filter line is definitely a must-have for the professional cinematographer. Dual-Sided Nano Coating with Infrared Light Control. Made out of a single piece of optical glass, each filter features NiSi's exclusive Dual-Sided Nano coating technology with infrared light pollution control. Ultra-Low Color Shifting. Superior color control compared to other leading competitors. Anti-Reflective Coating. NiSi's Nano coating reduces glares and reflections to deliver a 6K digital image with no loss in clarity. Oil, Water and Scratch Resistant. The Nano coating creates a protective layer over the glass making it scratch resistant and easy to clean. Protective Filter Case. A stylish leatherette filter case protects each filter individually.