About: http://webisa.webdatacommons.org/406019792

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	Therefore, if deflected beam 225 is passed through an objective lens 300, beam 225 will come into focus at a focal distance F, which is determined by factors such as the geometry and material of objective lens 300.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com