About: http://webisa.webdatacommons.org/393519229

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	Furthermore interchangeable focusing screens are a must, with the manufacturer offering focusing screens intended for manual focusing.
http://www.w3.org/ns/prov#wasQuotedFrom	photofocus.com