About: http://webisa.webdatacommons.org/63225732

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Many fixtures use a lens to help control the beam of light, though some, such as border or cyclorama lights, do not have any lenses or optics other than the reflector.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org