The Pro Glass ND is an extremely high quality glass ND standard filter optimised for use with digital cameras, but equally useful for film. This new filter uses a surface coating made from evaporated metal, & therefore provides very even absorption across the visible spectrum & through the UV & Infra Red regions. Digital SLR users need to use ND standard filters to prolong exposure times in bright conditions for landscape photography, but the excess UV & IR can cause colour problems in some lighting situations. The Pro Glass filter reduces any chance of false colour casts, & also provides a result described as punchier on digital & film because the light forming the image is more specific to the requirements of the film or sensor. Looking for the right Lee Filter for you? Use Lee’s System Match tool to find what’s compatible with your equipment.