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The Aléthoscope[1] is a stereo camera made by Lucien Joux & Compagnie of Paris from about 1902.[2] It was made in two sizes, for 4.5×10.7 cm and 6×13 cm plates, in a plate-changing magazine back. A later advertisement offers the camera for 8×16 cm plates in addition to the two smaller sizes.[3]

The camera shares some of the features of Joux' earlier 'jumelle' style cameras. The body, excluding the plate magazine, is tapered toward the front (the greater depth of the 6×13 cm model gives it a shallower taper, closer to the usual 'jumelle' shape), and has a folding Newton-type viewfinder mounted centrally on the top. It has fixed-focus lenses and a guillotine shutter. There is a connection for a pneumatic release on the shutter.

Early examples are wooden-bodied, with leather covering.[4] Later cameras are metal-bodied (perhaps to better survive tropical use), and occur in black painted finish,[5] or silver-plated.[6] Some of the cameras have front rise.[7]


  1. The name refers to the Greek Aletheia (truth).
  2. 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). p453.
  3. Advertisement from 1914 for the Aléthoscope at Sylvain Halgand's Collection Appareils.
  4. Wooden-bodied 4.5×10.7 cm Aléthoscope serial no. 6019, with four instantaneous speeds plus 'B' ('P'), sold at the nineteenth Westlicht Photographica Auction, on 28 May 2011.
  5. Black-painted 6×13 cm Aléthoscope, with 90 mm f/6.3 Krauss-Zeiss Tessar lenses, sold by Breker in September 2009.
  6. Silver-plated 6×13 cm Aléthoscope from 1905, also with 90 mm f/6.3 Krauss-Zeiss Tessar lenses, and apparently with spirit levels on the top and end of the shutter unit, sold in May 2006 by Auction Team Breker.
  7. Undated brochure page (but it refers to the new 1903 model of one camera) for Joux cameras, at Collection Appareils.