Analysis of information sources in references of the Wikipedia article "Ducati Sogno" in English language version.
The Ducati Sogno Model No. 1 was introduced in 1938 for producing 18 x 24 mm format on standard 35 mm film, which was reloaded into a special smaller cassette. The camera had a focal plane shutter with speeds from 1/20 to 1/500, it had a Galilean finder and a coupled rangefinder and was fitted with a Vitor f/3.5 35 mm lens. This lens produced an angle of 46°.
Ducati Sogno - circa 1950 - Italia Questo piccolo apparecchio di eccellente fabbricazione e finitura faceva 15 riprese di formato 18 x 24 su una pellicola di 35 mm in caricatori speciali. Le ottiche intercambiabili e il corpo comprendeva persino un telemetro accoppiato.