Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Dispositivo di messa a fuoco-it#Sense
Focusing device-en#Sense
Fokuseringsanordning-da#Sense
Viseur-fr#Sense
Visor-es#Sense
Fokussiervorrichtung-de#Sense
Focalizzatore-it#Sense
Συσκευή εστίασης-el#Sense
Focuser-en#Sense