Promaster Digital HGX Ultraviolet (UV) Filter - 82mm Promaster 82mm Digital HGX UV Filter Next Generation Digital Anti-Reflection Multi Coating  Specially formulated to minimize internal reflections created by CCD and CMOS sensors in a digital SLR. REPELLAMAX Element Resistant Coating  This EXCLUSIVE PROMASTER coating repels moisture, fingerprints, dust, dirt, and grime to ensure the sharpest images possible Hardened Optical Glass  Ultra hardened optical glass resists surface scratching and stands up to the most intensive use. Low Profile Anti-Reflective Frame - Ultra thin low profile frame helps prevent vignetting on super wide digital format lenses. The satin-like smooth finish helps to minimize reflected light.