Assertion: eyepiece | /r/HasProperty | its in and out position
Facets:
value: generally
type: MANNER
Source sentences:
text: This is easily achieved with a telescope; by adjusting the focus of the Eyepiece (generally its in and out position), the alignment of the light rays is varied, and near-sightedness or far-sightedness can easily be corrected for with the twist of a knob.