[rollei_list] Re: Rollei Stereo Image
- From: CarlosMFreaza <cmfreaza@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Fri, 13 Aug 2010 20:33:49 -0300
2010/8/13 Eric Goldstein <egoldste@xxxxxxxxx>:
..... Or cap one lens and shoot 12 mono
> shots.
That was the cause for the Rolleiflex TLR development. From 1920 to
1928 most F&H production was stereo cameras, they received letters
very much from stereo cameras users commenting they also used the
cameras for no stereo photography capping one lens and afterward the
other lens advancing the film after to take the two frames separately,
it gave Heidecke the idea to develop the Rolleiflex sawing off one
side of a Heidoscop beside the viewfinder, this awful two lenses first
ptototype was enough for Heidecke to convince Paul Franke to develop a
no stereo compact roll film camera; BTW the following design and
prototypes were different completely, the vertical film advance
replaced the horizontal film advance and Heidecke redesigned the
camera from the scratch, the design became someway similar regarding
the Otto Fricke TLR design patented in 1919 that F&H bought from Mundt
&Otto Fricke in 1919 to use the reflex viewfinder for the stereo
cameras, however the Fricke TLR patent had horizontal film travel and
it never could be a compact camera, the film vertical travel and the
film chambers design and film take-up spool position beneath the
mirror were Heidecke design keys to obtain compactness for the
Rolleiflex.-
Carlos
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