About: http://webisa.webdatacommons.org/29132047

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	If your lens has a range, then as you zoom in or out, there is a mark pointing to a certain mm number.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com