About: http://webisa.webdatacommons.org/147610262

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	These cameras presented a problem that didn't occur with other types of cameras: they had a large mirror that reflected the image to the viewfinder, but then had to lift out of the way to expose the film.
http://www.w3.org/ns/prov#wasQuotedFrom	lensrentals.com