The Hoya 72mm Fusion One Circular Polariser Filter has been added to the new series of filters, and equipped with the latest Hoya Optical technology. With glass thats equipped with 18 coated layers to drastically reduce ghosts and flaring; an Ultra-smooth frame rotation; stain resistant, to protect it from fingerprints and smudges; and it features a low-profile aluminium filter frame with a front filter thread.