About: http://webisa.webdatacommons.org/211623177

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	The light collecting/focusing unit may be configured differently from the illustrated embodiment, for example using a light pipe with an integrated focusing element or without a focusing element.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au