Hoya HD 77mm High Definition UV FilterThe Hoya HD High Definition range of filters use the highest quality materials to give the highest attainable light transmission and image clarity, coupled with tough wearing design. Hardened 8 Layer Multi Coating This scratch and stain resistant coating allows an average light transmission of 99.35% between 400nm and 700nm (visible) wavelengths. This oil resistant coating is also made much harder by being applied in a furnace. High Density Sharp Cut UV Glass Chemically Enhanced Optical Glass is 4x Stronger 8-layer Anti-Reflective Multi-Coating Water & Oil Repellent, Scratch & Stain Resistant Wide-Angle Lens Compatible Ultra Thin Frame Glass Mounted with High Pressure Press Technology A multi-purpose fine-weather filter
