Binoculars; Camera cases; Cameras; Day and night vision systems primarily comprised of day and night sensors, day and night cameras, and monitors; Laser rangefinders; Monoculars; Night vision goggles; Optical couplers; Optical or telescopic lens sights; Protective lens covers for telescopic gun sights; Radar guns for police work; Radar guns for sporting events; Range finders for cameras; Spotting scopes; Telescopic gun sights; Telescopic sights for firearms; Telescopic riflescopes; Telescopes...