Calculator with data memory function; electronic calculators; computers; computer software; cameras; lenses; electronic flashes; motor drives; optical filters; copy stands; tripods; camera slings and straps; camera cases; lens cases; cinecameras; projectors; projection screens; microphones; sound recording tapes; binoculars; telescopes; microscopes; glasses; sunglasses; video cameras; video camcorders; video tuners; video recorders; video tapes; video disks; televisions; electrophotographic apparatus; copying machines; paper feeders; sorters; facsimile machines; micrographic apparatus; laser beam printers; ink-jet printers; image processing cartridges; ink cartridges; printing heads; ink cartridge holders with printing heads; card readers; monitors; expansion boards; image scanners; floppy disks; magnetic cards; word processors; translating machines; study aid apparatus; semiconductor manufacturing apparatus; semiconductors; optical apparatus; optical fibres; measuring apparatus; X-ray photographic apparatus other than for medical use; holographic apparatus; communication aiding apparatus for people with certain speech and writing disorders; magnetic heads; disk drives; printers; card readers; meters; micro motors; AC adapters; batteries; photoelectric image producing cartridges; rotary/linear encoders; solar cells; solar batteries; speakers; loadspeakers; liquid controlled display; board display; parts and fittings therefor