Hapo 66e

6x6cm folding camera with uncoupled rangefinder, introduced in 1953 and made by Balda for Hans Porst under the HAPO label. It is essentially a Balda Mess-Baldix camera body, equipped with a 75mm color-corrected lens and Pronto shutter with self-timer. The Hapo 66e has the Mess-Baldix' clever ratcheting film counter which obviates the need for checking frame count using the traditional external red window.