Magnifying glasses (optics); Microscopes; Surveying instruments; Binoculars; Telescopes; Sighting telescopes for firearms; Mobile telephones; Camcorders; Spectacles; Containers for microscope slides; Infrared detectors; Instruments containing eyepieces; Optical lenses; Tripods for cameras; Batteries, electric; Notebook computers; Scanners (data processing equipment); Anti-dust headsets; Refractors; Optical apparatus and instruments