About: http://webisa.webdatacommons.org/252496175

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	**There is a difference between ???variable focal length??? and ???zoom??? lenses, although most use the term interchangeably not being aware of the distinction between the two.
http://www.w3.org/ns/prov#wasQuotedFrom	parasam.me