Monocular frames; binoculars; tripods for binoculars; spotting scopes; tripods for telescopes; rifle scopes for use on rifles for the purpose of hunting or target shooting; night vision goggles; rifle scopes; optical lens sights; distance measuring apparatus; range finders; telescopic sights; magnifying glasses; magnifying lenses; optical lenses; loupes being magnifying lenses, optical lenses for observation of plants, animals and insects; loupes being magnifying lenses and optical lenses wit...