Assertion: lens's coating | /r/HasAspect | hard time
Facets:
value: very
type: DEGREE
value: in ultrawide lenses
type: LOCATION
Source sentences:
text: Traditional coatings have a very hard time in ultrawide lenses because they 1.) depend on their layers' thicknesses being related directly to the wavelengths, and therefore incident angles, of light, and 2.)