About: http://webisa.webdatacommons.org/30156245

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	Canon and the Nikon are the fastest in autofocus, the Tamron and Sigma are slower, though not slow, just slower.
http://www.w3.org/ns/prov#wasQuotedFrom	slrlounge.com