DUFLEX (DUlovits reFLEX) is the revolutionary world sensation camera made in Hungary. DUFLEX is the first of the world single lens reflex 35 mm camera in series production with eye level horizontal view finder giving unreversed upright picture, automatic diaphragm and instant return mirror. Three patents from Dulovits in 1943 (eye level horizontal view finder giving unreversed upright picture; retractable instant return mirror; metallic focal plane shutter.
