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The Neucaflex is a 35 mm SLR camera, with 'periscopic' viewfinding, similar to the Periflex (and predating it). The camera was designed and made by Franz Robert Neubert in Jena from 1950, based on his earlier Leica copy, the Neuca, made in very small numbers. It has a mirror and pentaprism, arranged to give a magnified view of the centre of the frame in the viewfinder for focusing. When the shutter release is pressed slightly, both the mirror and pentaprism swing out of the optical path, and the eyepiece now forms part of a reverse-Galilean finder for framing before exposure.[1]

The camera uses Leica-mount lenses, and its controls (shutter speed selector, film advance and rewind knobs) are similar to those of a Leica. It has shutter speeds 1/20 - 1/1000 second, plus 'B'.

After only a few months, production of a new version of the camera, the Ucaflex began, by UCA in Flensburg.


  1. German Patent 1059282, Einaeugige Spiegelreflexkamera mit Durchsichtssucher (Single-lens reflex camera with optical viewfinder), filed 9 October 1953 and granted to Neubert 11 June 1959, describing the principle of operation of the camera. The description is general, and the mechanism described is common to the Neucaflex and the Ucaflex; however, by the time of the application, the Ucaflex was already produced. Neubert's address is still given as in Jena. At Espacenet, the patent search facility of the European Patent Office.