Assertion: microscope's head | /r/HasAspect | prism
Facets:
value: in the head
type: LOCATION
value: in the body tube
type: LOCATION
value: to split the image
type: PURPOSE
Source sentences:
text: Additionally, a binocular head will have a prism, either in the head or the body tube, to split the image and direct it to both oculars.