About: http://webisa.webdatacommons.org/44818802

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	However as the 19mm is sharp edge to edge and if you are shooting standing closer to your landscapes I would be more inclined to choosing that.here is an example of what I have done with the 30mm however.
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com