40.5mm Digital HGX CPL Filter

Next Generation Digital Anti–Reflection Multi Coating - Specially formulated to reduce the chance or 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 retain every ounce of sharpness in your image. - 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 prevents vignetting on super wide digital format lenses. The satin–like smooth finish helps to minimize reflected light. - Black Rimmed Glass - The outer rim of the filter glass is treated with a special black–ink.