About: http://webisa.webdatacommons.org/297068381

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	This formula is an approximation to the exact calculation consisting of the convolution of the response of the film and
http://www.w3.org/ns/prov#wasQuotedFrom	largeformatphotography.info