About: http://webisa.webdatacommons.org/196592935

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 this configuration, the air medium is an optical system having a focal magnitude of 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com