Hoya Evo Antistatic Protector Filter - 40.5mm - Dust/Stain / Water Repellent, Low-Profile Filter Frame NEW Antistatic coating repels dust 99.8% Light Transmission Scratch resistant - Hardened coating protects against everyday wear Stain resistant - Protects against exposure to ink, markers etc. Water repellent  Water beads up and wipes away easily