About: http://webisa.webdatacommons.org/368733549

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	Attaching the lens to an optional USB DOCK plugged to your computer and using dedicated software ???SIGMA Optimization Pro???, you can update the lens firmware and adjust parameters such as focus.
http://www.w3.org/ns/prov#wasQuotedFrom	eriknaso.com