About: http://webisa.webdatacommons.org/365527044

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	FIG. 7 is a graph indicating mount diameters for F-numbers by using FBs as parameters when the value of the diameter Di2 is applied to the diameter Di of the image circle of the image pickup device 27 based on EQ4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk