Assertion: eyepiece | /r/CapableOf | use premium grade optical glass
Facets:
value: with multi-layer coatings
type: OTHER
Source sentences:
text: Engineered with a high quality 4-element design and offering a generous 52° apparent field of view, the eyepiece uses premium grade optical glass with multi-layer coatings and blackened lens edges for great image sharpness and contrast.