About: http://webisa.webdatacommons.org/396817798

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 amount of illumination falling on a subject is a function of two variables, the power of the flash, and the flash to subject distance.
http://www.w3.org/ns/prov#wasQuotedFrom	lynda.com