Binoculars; Body-tubes for telescopes; [ Cameras; Chargers for batteries; Computers; Electrical outlet plates; Lenses for photographic apparatus; ] Meridian transit telescopes; [ Power adapters; Power supplies; Power wires; Prisms; Sighting telescopes for firearms; ] Spotting scopes; Telescopes; [ Tripods; USB cables; USB card readers; USB charging ports; ] Zenith telescopes