About: http://webisa.webdatacommons.org/287568511

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	What this means, is, Pentax has it for every lens, whereas Nikon doesn't, especially in the shorter focal lengths.
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com