Assertion: monocentric eyepiece | /r/HasProperty | all parts of spheres
Facets:
value: with a common center
type: OTHER
Source sentences:
text: The Monocentric eyepiece, consisting of a thick cemented three-element lens whose surfaces, as the name indicates, are all parts of spheres with a common center, was designed by Stenheil, and was an early design aimed, like the Orthoscopic, at providing the highest-quality images.