PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Well, to my surprise, I just realized that my B&W 010 UV MRC filter actually causes some vignetting with this lens, especially at f2.
http://www.w3.org/ns/prov#wasQuotedFrom
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