Binoculars; Microscopes; Telescopes; Gun scopes; Magnifying glasses; Magnifying glasses that fit on the user's face in the manner of eyeglasses; Opera glasses; Telescopic gun sights; Telescopic riflescopes; Theatre glasses

Binoculars; Biological microscopes; Gun scopes; Hunting binoculars; Magnifying glasses; Magnifying glasses that fit on the user's face in the manner of eyeglasses; Magnifying lenses; Microscopes; Microscopes, including stereomicroscopes; Monoculars; Opera glasses; Rangefinders for golf; Riflescopes; Spotting scopes; Telescopes; Telescopic gun sights; Theatre glasses; Tripods; Zoom microscopes