Assertion: aperture | /r/UsedFor | refer to the hole
Facets:
value: in that case
type: TEMPORAL
value: in the lens
type: LOCATION
Source sentences:
text: In that case, an aperture refers specifically to the hole or opening in the lens that lets light through, which you can adjust (with the f-stop) to let in more or less light, resulting in a shallow or deep range of focus.