cameras; magnifying glasses optics; telescopes, in particular for astronomy study; devices for astrophotography; binoculars; monoculars; spyglasses; telescopic sights; microscopes; spotting scopes; observatories, namely, observatory domes and other products for protection of astronomical telescopes; night vision devices; distance measuring apparatus; tripods for optical apparatus; home planetarium projectors; parts and fittings for telescopes, binoculars, spyglasses, telescopic sights, micros...