About: http://webisa.webdatacommons.org/19431410

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	Composition-wise, especially with a 7D (he is all I had when I bought the lens except for a FF body), the 800mm is tough lens to handle.
http://www.w3.org/ns/prov#wasQuotedFrom	fredmiranda.com