About: http://webisa.webdatacommons.org/318091841

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 lens that can not zoom is optically the best, generally. (You call a lens that can not zoom a prime) When a lens is a wide angle and a telephoto, that is not possible in one lens, so the beginning and the back are soft, unsharp etc.
http://www.w3.org/ns/prov#wasQuotedFrom	travellerspoint.com