@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept, ns3:Entity ; dct:created "2019-01-15" ; dct:modified "2019-01-15" ; ns2:hasProfile ; ns1:status ; rdfs:seeAlso ; skos:definition "f, lens focal length; effective distance from optical lens to sensor array. "@en ; skos:exactMatch ; skos:prefLabel "Sensor Focal Length"@en ; ns3:hadPrimarySource .