About: http://webisa.webdatacommons.org/383011792

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	In correction for aberration, three lenses including one positive lens and one negative lens are enough for the number of lenses required for constituting the third lens unit.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com