About: http://webisa.webdatacommons.org/344826281

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	If you would have figured out the nodal point for horizontal position with the manfrotto tilt head option, the nodal point will shift if you tilt the head, because the rotation point is a little below the lens.
http://www.w3.org/ns/prov#wasQuotedFrom	luminous-landscape.com