Difference between revisions of "Biflex 35"
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Revision as of 22:20, 19 July 2020
The Biflex 35 is a viewfinder camera for subminiature-format pictures on, curiously, 35mm film.[1][2] It makes 11x11 mm images in two rows on 35mm film, so accommodating 100 exposures on a roll. It was made in about 1950 by Feinmechaniches Konstruktions-Werkstätte (Precision engineering construction workshop) of Urdorf, Switzerland.
The camera has a compact, rounded shape, and the film advance knob is set in a dropped end-section of the top, so that it is flush with the top of the body.[1] It was supposedly intended as a spy camera. The lens is either a Biflex-Trivar 2cm f/2.8 or a Meyer Trioplan 20mm f/2.8, which stops down to f/11; the position of the aperture control suggests the camera may have a set of fixed apertures, rather than an iris diaphragm. This appears to be fixed-focus, but a close-up lens giving focus at 33cm was supplied with the camera (or perhaps available as an accessory).[1] The camera has shutter speeds 1/10 - 1/250 second. It has a reverse-galilean viewfinder. There is a frame counter up to 100 on the top of the camera, incorporating a film speed reminder with settings for 25, 50 and 100 ASA.
The cited example is painted in a gold or tan crackle-finish; it is not known whether other colours exist.
Notes
- ↑ 1.0 1.1 1.2 Biflex 35 with Trivar lens, in a kit comprising the camera, soft vinyl case, set of red and yellow filters plus close-up lens in a leather case, and lens cap; sold for €3840 at the 36th Leitz Photographica Auction, on 13 June 2020.
- ↑ 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). p289.
