Laser measuring systems; Length measuring gauges; Laser rangefinders; Measuring apparatus, namely, laser distance meters; Lasers for industrial use; Rangefinders for golf; Range finders for golf; Surveyors' levels; Scientific apparatus, namely, sensing and signaling devices for measurement and quality control of materials processing by laser; Binoculars; Hunting binoculars; Surveying machines and instruments; Lasers for measuring purposes; Spirit levels; Optical or telescopic lens sights