Assertion: microscope's head | /r/HasAspect | one eyepiece
Facets:
Source sentences:
text: A monocular head has one eyepiece, a binocular has two (one for each eye), a dual head has two but they are not together, and a trinocular head has three, one which is generally used for a camera connection.
text: Binocular heads have two eyepieces.
text: There are a few configurations of the head (which holds the eyepiece).
text: A monocular head has one eyepiece, a binocular has two (one for each eye), a dual head has two but they are not together, and a trinocular head has three, one which is generally used for a camera connection.
text: Binocular heads have two eyepieces.