About: http://webisa.webdatacommons.org/15732007

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 lens is a three-element photographic objective with an inhomogeneous front element.
http://www.w3.org/ns/prov#wasQuotedFrom	osapublishing.org