About: http://webisa.webdatacommons.org/384316154

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	When used in a camera, the foregoing and other objects of the instant invention are obtained by mounting a photocell along the optical projection axis of an imaging lens which is coupled to the main camera lens.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com