About Hoya 49mm HD3 High Definition Multi-Coated Low Profile UV Filter
Developed to exceed the sharpness needs of 50-megapixel cameras entering the market, the Hoya HD3 UV and Circular Polarizer camera filters sport a new and improved ultra-smooth, ultra-hard, nano-coating that is sharper and harder than the Hoya HD2 filters. Combined with the exclusive, chemically enhanced, 4x harder Hoya optical glass (UV only), and the Hoya exclusive High-Transparency polarizing film that 2/3rds of a stop brighter than other circular polarizing films, the new Hoya HD3 filter line lives up to Hoya Tough and is the NEW Toughest Filter on the Planet.
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