About: http://webisa.webdatacommons.org/175059527

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	Various embodiments may employ a wide variety of optical devices, including mirrors, lenses, filters, gratings, polarizing devices, or combinations thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com