Assertion: ar coating | /r/CapableOf | look bluish
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The exact nature of the coating determines the appearance of the coated optic; common AR coatings on eyeglasses and photographic lenses often look somewhat bluish (since they reflect slightly more blue light than other visible wavelengths), though green and pink-tinged coatings are also used.