hoya 49mm hd3 uv filter and circular polarizer filter kit

Hoya's HD3 UV
Developed to exceed the sharpness needs of 50-megapixel cameras entering the market, the Hoya HD3 UV (Ultraviolet) camera filter sports a new and improved 32-layer ultra-smooth, ultra-hard, nano-coating that is 5x sharper and 800% harder than the Hoya HD2 UV. Combined with the exclusive chemically enhanced Hoya optical UV glass which is 4X harder than traditional optical glass the new Hoya HD3UV protecting your lens from blowing sand, freezing temps and driving rain, living up to being the NEW "Toughest Filter on the Planet".

Hoya's HD3 Circular Polarizer
The Hoya HD3 Circular Polarizer camera filter sports a new and improved 16-layer ultra-smooth, ultra-hard nano-coating that is 2x sharper and 200% harder than the award-winning HD2 Circular Polarizer. Combined with Hoya's exclusive High-Transparency polarizing film that allows 2/3rds of a stop more light transmission than standard circular polarizing films while yielding more saturated colors and clarity. The new HD3 Circular polarizer is faster, sharper and "Hoya Tough".