Video, Binoculars, Riflescopes Protective Outer Coating Posted by Jon Allen on December 15, 2015November 1, 2024 Protective Outer Coating Dec 15, 20151:17 AM During the height of the hunt, when your covers are off, your lenses are going to be subject to the elements. We’ve created a special coating that resists scratches, fingerprints and smudges.