About: http://webisa.webdatacommons.org/217818336

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	It should be noted that 16 in this expression is a value of the focal length of the imaging lens 23.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com