PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The softness at wide apertures, especially F4, is due to aberrations other than diffraction e.g. spherical, chromatic, coma.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dpreview.com