About: http://webisa.webdatacommons.org/396822441

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 present invention relates to an optical apparatus, such as a camera, which performs the drawing-out and drawing-in of an optical unit.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com