The HOYA HD nano Mk II CIR-PL is the best polarizer you can buy for your lens. HD nano Mk II CIR-PL is equipped with a high-transparency high-image-quality polarizing film, manufactured using high-pressure pressure technology for maximum sturdiness, and features an unparalleled ultra-hard nano coating that will provide you with unparalleled longevity and value for money. The image quality of the screen.