About: http://webisa.webdatacommons.org/208407553

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 projection optical system 2810 is constructed of an optical system including projection lenses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr