he Mecaflex SLR was made 1953 - 1958 at first by Metz Apparatefabrik, Fürth, Germany later by S.E.R.A.O. Monaco It was constructet by Heinz Kilfitt, who also supplied the lenses (Kilfitt Kamerabau, Vaduz, Liechtenstein) The top cover hinges forward to reveal level reflex finder, advance lever, counter etc. 50 exposures 24x24mm on standard 35mm film are possible Interchangeable lenses: Kilar 3,5/40 & 2,8/40 Benoist-Berthiot 2,8/40 Shutters: Prontor-Reflex or Prontor Value today $1000 +