HOYA 77mm PRO1 DIGITAL Circular Polariser FilterThe Hoya 77mm Pro1 Digital CPL filters are high quality Circular Polarisers which help reduce unwanted glare and reflections in glass, and water and other non metallic surfaces caused by polarised light. Polariser filters increase colour contrast and saturation, and are often used in landscape photography to intensify blue skies and white clouds. HOYA PRO 1 DIGITAL filters feature DMC (Digital Multi-Coated) glass specially designed for the digital cameras CCD and CMOS sensors reducing stray reflections and unwanted refracted light to a minimum.
HOYA PRO1 Digital Series - Key Features
 | | Digital Multi-Coated Digital multi-coated filters greatly reduce the appearance of lens flare and ghosting caused by reflections, and greatly improve optical quality and performance. | | | | |  | | Black Almite Frame Hoya filters feature a black matte aluminum satin finish almite frame which reduces unwanted reflections off the filter frame. | | | | |  | | Black Rimmed Glass The Hoya Pro1 Digital filters are equipped with black rimmed glass to reducing light reflecting off the edge of the filter. | | | | |  | | Low Profile Frame Ultra thin filter frames which help avoid vignetting on wide angle lenses. Also designed to hold a lens cap firmly in place. | | | | |  | | Knurling Edge Frame These filters are equipped with a straight knurling edge for non-slip, easy attachment and removal. | | | | |  | | UV Protected Case Filter cases are UV protected to further lengthen the life of filters when in storage. | |