About: http://webisa.webdatacommons.org/7769137

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	The focus controlling means may be based on different focusing methods, such as for example, but not limited to Foucault wedge focusing.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com