Assertion: eyepiece's coating | /r/HasProperty | anti-reflection
Facets:
Source sentences:
text: Most modern eyepieces have anti-reflection coatings to the elements to combat this; these coatings may give a purplish tint to the lenses when looked at obliquely.
text: Better quality eyepieces have anti-reflection coatings to reduce or eliminate 'ghost images' caused by reflections from internal lens surfaces and to reduce light loss due to reflections.