About: http://webisa.webdatacommons.org/66708219

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	Advantageously, the objective lens group and the relay lens group include lenses selected from readily available is infrared transmitting materials, such as silicon, germanium, zinc selenide and zinc sulfide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com