About: http://webisa.webdatacommons.org/171362275

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 accessory is a shell that attaches to the back of the 1020 that provides a two-stage mechanical shutter button, a larger grip, additional battery power, and a tripod mount.
http://www.w3.org/ns/prov#wasQuotedFrom	informationweek.com