About: http://webisa.webdatacommons.org/421637188

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	It really helps with bright sun and framing, and does have a diopter, but I do constantly feel that the focus is a little off.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.com