About: http://webisa.webdatacommons.org/434883403

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 could however use OM or other lenses that do not depend on the electrical input and focus manually.
http://www.w3.org/ns/prov#wasQuotedFrom	cameralabs.com