Zweiverschluss Duplex

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The Zweiverschluss Duplex is a folding bed camera made by Ihagee from 1927 to '39.[1] It is oriented for horizontal pictures, and equipped with both a focal plane shutter and a leaf shutter.[2] The camera was made in 6.5x9 cm, 9x12 cm and 10x15 cm sizes. McKeown states that there was a stereo/panoramic model of the 10x15 cm camera.[1]


  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). p438-9.
  2. 9x12 cm Zweiverschluss-Duplex with 15 cm f/3.5 Ihagee Anastigmat Trioplan (made by Meyer for Ihagee), dial-set Compur shutter with speeds to 1/200 second, and focal-plane shutter to 1/1000 second, offered for sale at Camera Auction 26, on 22 November 2014, by Westlicht Photographica Auction (now Leitz Photographica Auction). The FP shutter is of the type where the spring tension and slit-width are adjusted separately.