Antistatic coating repels dust 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 99.8% Light Transmission Fingerprints and smudges wipe away cleanly For protection, and protection only or Hoya's Professional-grade optical glass Hoya exclusive one-piece, low-profile filter frame with front filter threads