Filter Hoya HD Nano MkII CIR PL 72mm

New 16 layer (both sides) ultra-smooth, ultra-hard nano coating Ultra-hard surface coatings are 200% more scratch resistant than original standard optical coatings Stain resistant, water & oil repellent coating makes everyday maintenance easier Very thin frame with front threads to attach lens caps and other filters 25% Greater Light Transmission than standard polarizing film for nearly 1/2 stop more light