About: http://webisa.webdatacommons.org/236434608

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	Similarly, ???a lens section including a part projecting toward an image side??? naturally includes an ordinal lens which is convex toward the image side throughout in the area from the optical axis to the periphery.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com