Assertion: telescope | /r/HasProperty | focused
Facets:
value: by sliding the cardboard tube
type: MANNER
value: correctly
type: MANNER
value: for viewing objects
type: PURPOSE
Source sentences:
text: The telescope is focused correctly for viewing objects at the distance for which the angular magnification is to be determined and then the object glass is used as an object the image of which is known as the exit pupil.
text: The telescope can be focused by sliding the cardboard tube as necessary.
text: The telescope can be focused by sliding the cardboard tube as necessary.