NEW 200% harder ultra-smooth nano-coating is easier to clean than traditional multi-coated filters Offers increased contrast with no loss of sharpness NEW 16-layer Hoya proprietary coating system reduces reflections that cause flares and ghosting NEW coating technology yields 92% light transmission, is scratch and abrasion resistant, oil and water repellent High-transparency UV absorbing polarizing film transmits 2/3 of a stop more light than standard PL films Ultra-thin frame for use with wide-angle lenses results in no vignetting High-quality Optical glass with UV properties