The HOYA HD nano Mk II CIR-PL is the best polarizer you can get for your lens. Equipped with a High Transparency HD Polarizing Film, manufactured with a high-pressure press technology for maximum sturdiness, and perfected with the unmatchable ultra-hard nano coating, the HD nano Mk II CIR-PL will provide you with an unbeatable longevity and an image quality worthy for the big screen. Experience what it means to use a titan!