About: http://webisa.webdatacommons.org/296775215

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	From around 1955, according to some sources, there was a late version with West-Germanys first semi automatic aperture control.
http://www.w3.org/ns/prov#wasQuotedFrom	pentax-slr.com