About: http://webisa.webdatacommons.org/409611285

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 optically rough surface scatters the light beam back along the optical axis, through the optical system, including the beamsplitter, and onto the image detector.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com