Aquaview hydrophobic lenses repel water, cancel dust-collecting static charges, resist oily smudges and are scratch resistant. typhoon's aquaview lens is constructed from lightweight, double injected polycarbonate The meridian lens is designed for use in intense sunlight. aquaview advanced hydrophobic lenses repel water, cancel dust-collecting static charges, resist oily smudges, and are scratch resistant Lifetime warranty Case Included