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The Certofix is a vertical-folding camera for 6×9 cm exposures on 120 film, made by Certo in about 1930.[1]

According to McKeown, this model was first renamed the Certotix, and very soon afterward renamed again to the Certix, in 1931.[2] He lists only the Radionar lens, and the Vario shutter (but the example illustrated here has a Pronto).


  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). p194.
  2. The serial number of 355xxx given for the lens on the example pictured supports a date of 1930-31; see Age of Lenses at Schneider Optics.