About: http://webisa.webdatacommons.org/251661776

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 first focusing lens 330 may collect available light from the spectral source 320 and concentrate the light over a smaller area, such as the face of the collimating lens 340.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com