Features and Functions: NEW and IMPROVED ultra-smooth nano-coating is 800% (UV) and 200% (CRPL) harder than the Hoya HD2 for ultimate protection and cleaning NEW 32-Layer (UV) and 16-layer(CRPL) Ultra-Hard Multi-Coating process creates the sharpest consumer UV and CRPL filters available NEW Multi-coating technology yields 99.7% (UV) 92% (CRPL) light transmission and is extremely scratch & stain resistant and water & oil repellent High-transparency UV absorbing polarizing film transmits 2/3 stop more light than standard Polarizing films Lifetime (UV) and 5-year (CRPL) Limited Warranty when purchased from a USA Authorized Retailer Description: 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.
