Assertion: eyepiece | /r/ObjectUse | used in binoviewer
Facets:
value: together
type: MANNER
Source sentences:
text: When used together in binoviewers, the two eyepieces create an apparent parallax between the images.
text: Perhaps the most important thing to consider is that both eyepieces used in the binoviewer must match, that is, they must have matching optical characteristics including focal length, exit pupil, and apparent field of view.