About: http://webisa.webdatacommons.org/245384759

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	Great for a old 50mm Canon FL or FD Manual focus lens, same for older Nikon, Olympus, Minolta, and other fully manual lenses.
http://www.w3.org/ns/prov#wasQuotedFrom	canonrumors.com