About: http://webisa.webdatacommons.org/31068669

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	ation Pro) and a USB docking system that allows you to update the lens' firmware and adjust its parameters such as focus without having to ship it back to Sigma for adjustments.
http://www.w3.org/ns/prov#wasQuotedFrom	canonrumors.com