About: http://webisa.webdatacommons.org/124438440

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	Furthermore, on the light path shown by the arrow in FIG. 13C, an optical system, such as an optical lens, a film having a polarizing function, a film for adjusting phase difference and an IR film, may be provided by the practician.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com