About: http://webisa.webdatacommons.org/208949242

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	That is, FIG. 4 is a cross section showing a main part of an optical unit in a conventional camera.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com