About: http://webisa.webdatacommons.org/417317688

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	Unless their culture has changed recently, Mamiya make every component in their lens, including the lens blanks, grinding, polishing and coating.
http://www.w3.org/ns/prov#wasQuotedFrom	canonrumors.com