About: http://webisa.webdatacommons.org/99801968

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	If |CX2(1s)| or |CY2(1s)| is not larger than the lower limit, i.e. 0.01, a positive power required for the first surface cannot be obtained, and a sufficiently wide field angle cannot be ensured.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com