Binoculars; Biological microscopes; Electron microscopes; Endoscopic equipment for industrial purposes; Endoscopy cameras for industrial purposes; Jewelers loupes; LED microscopes; Lenses for astrophotography; Lenses for cameras; Lenses for cellular phone cameras; Lenses for microscopes; Magnifying glasses; Microscopes and parts thereof; Microscopes, including stereomicroscopes; Polarizing microscopes