About: http://webisa.webdatacommons.org/291225457

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	An optical element such as a lens or mirror is held within an inner ring by a retaining ring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au