About: http://webisa.webdatacommons.org/53223592

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	You have a difficult comprehending what the OP said about what the objective and the worth of the lens for general purposes as compared to other lenses?
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com