26 MICROSCOPES, TELESCOPES, FIELDGLASSES, OPERA GLASSES, ASTRONOMICAL INSTRUMENTS-NAMELY, TELESCOPES, OPHTHALMOLOGICAL INSTRUMENTS, RADIOGRAPHIC EQUIPMENT, PHOTOGRAPHIC CAMERAS, PHOTOGRAPHIC LENSES, PROJECTORS FOR MICROPHOTOGRAPHY, CINEMATOGRAPHIC APPARATUS AND OTHER PROJECTORS-NAMELY, PLANETERIA, SPECTACLES AND SPECTACLE LENSES, MAGNIFYING GLASSES, OPTICAL SURVEYING AND MEASURING INSTRUMENTS