Dallmeyer Dual

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The Dallmeyer Dual is a strut-folding camera for 4.5x6 cm photographs on 120 roll film, sold in 1931. It has an unusual aspect, with vertically oriented barn doors. The lens and shutter unit is mounted on a focusing helical. The lens is a Dallmeyer Dalmac Anastigmat 3" f/3.5, and the shutter is a rimset Compur (T, B, 1–250, self-timer). The duralumin body is leather covered, there is a folding frame finder and a folding leg with a curved shape.[1]

Serial numbers:

  • s/n D109, lens no.143137[2]
  • s/n D125, lens no.143365[3]
  • s/n D154, lens no.143852[4]
  • s/n D210, lens no.145891[5]


  1. Duralumin body: Channing and Dunn, p.40.
  2. Observed in an online auction.
  3. Sold as lot no.710 of the eleventh Westlicht Photographica Auction (26 May 2007); several pictures.
  4. Sold as lot no.312 of Christies auction "Cameras and Optical Toys" (11 March 1993), then as lot no.802 of the ninth Westlicht auction (20 May 2006).
  5. Observed in an online auction.


  • Christies auction catalogue: "Cameras and Optical Toys" (11 March 1993), lot no.312.
  • Channing, Norman and Dunn, Mike. British Camera Makers. An A-Z Guide to Companies and Products. London : Parkland Designs, 1996. ISBN 0-9524630-0-8 P.40.
  • 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). P.240.