Assertion: lens | /r/CapableOf | darken indoor
Facets:
Source sentences:
text: The lenses darken up to 20 percent faster and lighten indoors up to twice as fast as previous Zeiss photochromic lenses.
text: The lenses darken up to 20 percent faster and lighten indoors up to twice as fast as previous Zeiss photochromic lenses.