About: http://webisa.webdatacommons.org/438593256

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	I would say AF speed is a tad slower than the 18-200VR, but not really noticeable.There is instant manual focus override without flipping a switch as with other AF-S lenses.
http://www.w3.org/ns/prov#wasQuotedFrom	slrgear.com