About: http://webisa.webdatacommons.org/111208729

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	An apparatus as recited in claim 9, wherein said lens is fabricated from a transparent material, such as glass or plastic, in any form factor, such as conventional, or Fresnel, that is capable of focusing light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk