Assertion: telescope | /r/ObjectUse | used for astronomy
Facets:
value: not mainly
type: DEGREE
Source sentences:
text: Some telescopes, not mainly used for astronomy, are binoculars, camera lenses, or spyglasses.
text: A telescope will be significantly heavier, more bulky and much more expensive than a monocular and due to the high magnifications, will normally need a tripod, telescopes used for astronomy typically have inverted images.
text: 5.Reflecting telescopes are used more for astronomy while refracting telescopes are used more for photography.