Auto-Clack

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Rietzschel Auto-Clack
image by yalluflex (Image rights)

The Auto-Clack is a folding bed camera for 9x12cm film plates produced by the German company Rietzschel from 1908 till c.1915[1].

It has a double-extension.

Possible lens/shutter combinations are[1] :

  • Apotar f/6.3 13.5cm
  • Linear f/6.3, f/6.8 or f/5.5 13.5cm
  • Sextar f/6.8 13.5cm

in an Ibso or Compound leaf shutter

A special mechanism keeps the lensboard parallel to the film plane.

53444260161_e09d76b011_m.jpg
Auto-Clack parallel mechanism
image by yalluflex (Image rights)


53443331657_fb4dc7eb07_m.jpg 53444394238_1e10987e1c_m.jpg 53444671975_1cdc270e2f_m.jpg
53444260271_7d87715308_m.jpg 53443331532_4c5ffa7c4a_m.jpg 53444578239_461ac24cbf_m.jpg
A.H Rietzschel Germany Auto-Clack 9x12cm, Apotar f6.3/135mm lens in Compound shutter
Images by yalluflex. (Image rights)


Notes

  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)., p.824
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