About: http://webisa.webdatacommons.org/315798244

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 do not know why or whether it is a good ideea.The main advantage I have found with the power switch on the grip is that you can turn it off which disables the controls, including shutter button, on the grip.
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com