Binoculars; Monoculars; Telescopes; Body-tubes for telescopes; Equatorial telescopes; Hunting binoculars; Lenses for telescopes; Meridian transit telescopes; Optical or telescopic lens sights; Prisms; Protective lens covers for telescopic gun sights; Reflectors for telescopes; Sighting telescopes for firearms; Telescopic lens sights; Telescopic riflescopes; Telescopic sights; Telescopic sights for artillery; Telescopic sights for firearms; Tripods; Zenith telescopes