About: http://webisa.webdatacommons.org/383223998

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	A non-flexible endoscope has such a configuration as that shown in FIG. 1, for example, and comprises an optical system which generally produces negative spherical aberration.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk