Assertion: optical telescope | /r/ObjectUse | used for astronomy
Facets:
value: in many non-astronomical instruments
type: LOCATION
Source sentences:
text: Optical telescopes are used for astronomy and in many non-astronomical instruments, including: theodolites (including transits), spotting scopes, monoculars, binoculars, camera lenses, and spyglasses.
text: Optical telescopes are used for astronomy and in many non-astronomical instruments.
text: Optical telescopes are used for astronomy and in many non-astronomical instruments, including: theodolites (including transits), spotting scopes, monoculars, binoculars, camera lenses, and spyglasses.