About: http://webisa.webdatacommons.org/436225461

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 second lens 202 in this example is a cylindrical lens which combines the images in a distance 402 equal to its focal length on the working plane.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com