About: http://webisa.webdatacommons.org/22358329

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	The Tamron is mostly plastic, and the Sigma is definitely not all-metal either.
http://www.w3.org/ns/prov#wasQuotedFrom	slrgear.com