Assertion: eyepiece | /r/HasAspect | coating
Facets:
value: generally
type: MANNER
Source sentences:
text: You can often tell that an eyepiece has coatings as the optics will tend to have a bluish or greenish tint to them.
text: More expensive eyepieces generally have much better lens polish and coatings, which translates to sharper images, higher contrast, and less ghosting and flaring.