Binoculars; Collimators; Lorgnettes; Periscopes; Stereoscopes; Telescopes; Archery equipment, namely, telescopic bow sights; Hunting binoculars; Lenses for astrophotography; Magnifying glasses; Night vision goggles; Optical condensers; Optical lenses; Reflecting telescopes; Sighting telescopes for firearms; Telescopic sights; Telescopic sights for artillery; Tripods; Zenith telescopes