Assertion: flashlight's lens | /r/CapableOf | focus the light
Facets:
value: into a tighter beam
type: OTHER
Source sentences:
text: In some types the incandescent light bulb has an integral lens that focuses the light, so no reflector is built into the penlight.
text: Instead of a flat lens, an aspheric lens can be used that will focus the light into a tighter beam.