Regula Cita
King's Regula Cita was a German 35mm rangefinder camera. It was launched in 1954. The camera was a quite modern design, with rapid film advance lever and optical viewfinder with superimposed coupled rangefinder. It was equipped with Steinheil Cassar 1:2.8/45mm lens and Prontor-SVS leaf shutter. The German distributor Porst sold it as Hapo 36. The Citalux was a more sophisticated version.