About: http://webisa.webdatacommons.org/7767410

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 800 is not for common people, too expensive, too heavy, too specific, but 300mm and a TC most of the time are good enough, and last combo is more available.Anyway you got very good (and steady) pictures of the moon.
http://www.w3.org/ns/prov#wasQuotedFrom	photographylife.com