About: http://webisa.webdatacommons.org/24732702

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	So it hard to say it is a must have but for me it is, the lenses are an excellent value.Alan
http://www.w3.org/ns/prov#wasQuotedFrom	luminous-landscape.com