Assertion: collimator | /r/CapableOf | consist image
Facets:
value: in optics
type: LOCATION
value: at its focus
type: LOCATION
value: of lens
type: OTHER
Source sentences:
text: In optics, a collimator may consist of a curved mirror or lens with some type of light source and/or an image at its focus.
text: In optics , a collimator may consist of a curved mirror or lens with some type of light source and/or an image at its focus .