Hoya 49mm HD3 Circular Polarizer Filter

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".