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The 'Heidoscop is a stereo camera with a reflex viewfinder, for plates or film packs (or a roll film back can be used). It was the first camera made by Franke and Heidecke (later Rollei-Werke Franke & Heidecke). The camera was made in two sizes: the first takes 45×107 mm plates, and was made from 1921-34.[1] This was followed in 1925 by a model for 6×13 cm plates or film; this model was made until 1940.[1] The exact specification was changed during production.

Either camera has a pair of f/4.5 Tessar taking lenses (5.5 cm focal length for the first model, and 7.5 cm for the second), mounted in a stereo Compound (later Compur) shutter and a viewing lens centrally between these. This is also a Tessar in some cameras, and a 'Sucher-Triplet' (also by Zeiss) in others.

On the top of the camera body there is a collapsible hood over the viewing screen. This would even then be a familiar feature of reflex cameras. It has a hinged plate with a focusing loupe, which can be swung over the hood.

Only a few years after the Heidoscop, in 1926, very similar cameras but with a built-in roll-film chamber were introduced alongside it, in both sizes. This was named the 'Rolleidoscop, although McKeown states that the earliest of them were sold with the name Heidoscop.


  1. 1.0 1.1 McKeown, James M. and Joan C. McKeown's Price Guide to Antique and Classic Cameras, 12th Edition, 2005-2006. USA, Centennial Photo Service, 2004. ISBN 0-931838-40-1 (hardcover). ISBN 0-931838-41-X (softcover). p850.