About: http://webisa.webdatacommons.org/450211444

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	Circular polarizing filter A drop-in 72mm filter holder in the rear part of the lens barrel can be rotated to facilitate the use of filters, including a polarizing filter.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.co.uk