About: http://webisa.webdatacommons.org/140096679

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	In a number of optical devices it is important to position lenses or other optical elements accurately with respect to each other along a device axis.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com