About: http://webisa.webdatacommons.org/163154262

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 can confirm that operating with Nikon and a bean bag is a problem when you accidentally move the focus ring (in my case, with the AF-S 300 f/4).
http://www.w3.org/ns/prov#wasQuotedFrom	birdsasart-blog.com