Jan and Allen et al.
It looks like the Gestapo was not
interested about the device 'cause it was produced along one year only
(1933/34) when the Gestapo hardly started to work and in 1938 and 1956
(post-Gestapo era) there were prototypes only or perhaps Rollei
produced a very little batch of them.
I think the main cause for the lack of interest about this device at
the time was explained by Allen, you could obtain a similar result
using the method he has described in spite of some slight advantages
for the mirror. I read about the method in the web and used it once to
take the photograph in the bar you can see at my gallery; anyway it's
an interesting accesory as photographic item.
One of my cameras accesories list, perhaps the Mamiya 645, showed an
attachment for the prism viewfinder, a special angle viewfinder that
allowed you to focus and to compose the image pointing the camera-lens
in a different direction regarding the front of your body and face
position.
Carlos
2010/2/8 Jan Decher <Jan.Decher@xxxxxxx>:
Hi Carlos et al.
This device must have come in very handy for the GeStaPo spying on
people
while sittting in cars etc.
Jan
On Feb 8, 2010, at 1:06 AM, FreeLists Mailing List Manager wrote:
From: CarlosMFreaza <cmfreaza@xxxxxxxxx>
If you look for the item 140381076841 at the auction site, you'll
see
one of the rarest Rollei TLR accesories. It is the
"Winkel-Vorsatzspiegel" or "Angle mirror" accesory, it was regularly
produced from 1933 to 1934 with 28,5mm friction mount for 6x6 and
4x4
Rolleiflexes . There were prototypes in 1938 B I mount for the
taking lens and friction mount for the viewfinder lens and in 1956
with Bayonet mount for both lenses. This accesory allowed to take
photographs "around the corner", you could point the camera
following
a direction and to take the photograph at 45º/90º regarding the
camera
position, to the left or to the right according the model.
...
Carlos
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