Features:Promaster's Digital HD line of filters produce clearer images with higher contract by reducting internal flare and reflections that commonly occur in digital SLR cameras.This UV Filter enhances outdoor photos by reducing the effects of atmospheric haze, also serves as a permanent lens protector.Made from ultra high quality SCHOTT optical glassLow-profile, ultra-slim frame prevents vignettingDouble-sided, anti-reflective multi-coating is optimized for digital imaging sensors

• The ProMaster Digital HD UV Filter is an extremely high quality UV filter designed to protect your lens and to filter excess ultraviolet light. Constructed with premium Schott optical glass and 12 layers of anti-relective coating, these filters are designed to yield extreme image sharpness. They also feature a precision machined, super slim aluminum frame with anti-reflective matte finish and knurled edges.