[rollei_list] Re: More FX
- From: CarlosMFreaza <cmfreaza@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Fri, 16 Dec 2011 19:40:07 -0300
If the memory serves me good, Harry worked on some GX cameras, I
recall a member that belonged to the old RUG sent him his GX because
it had problems with the shutter release, it was stiff too much.
Claus Prochnow was one of the Rollei technical heads when the GX
prototype was approved for production, he comments in the Report 4 he
tried the GX during the vacations with 10 Kodachrome rolls after the
GX introduction and became very enthusiastic about the results. The GX
was a new model, the F lightmeter coupled mechanism was replaced with
electrical resistances, a circuit board was added for the lightmeter
and the flash with TTL metering, the circuit board was the same used
for the SLX second model with improved electronics and adapted for the
SL 66 E and 6000 cameras afterward, the Flash TTL metering was adapted
from the SL 2000F, the focusing screens were taken from the 6000
cameras focusing screens (they are compatible), the Planar 2.8/80 was
made with the new tooling CZ produced to manufacture the 2.8F Platin
Planar, the film transport mechanism was the same used by the TLR from
1937 except that the automatic film sensors to advance the film up to
the number one was eliminated, the focusing mechanism was the same
used for the TLR (first the Rolleicord) from the '30s, the shutter was
a Compur. The GX was manufactured with three SI cells, two in the
viewfinder for the lightmeter and one in the taking lens chamber for
the TTL flash metering. The crank side lateral panel is from the F,
perhaps it got some minor pieces from the T and Rolleicord like the
back lock and the red dots in the film window, but the T had several
dedicated internal pieces only shared with the Rolleimagic I and II,
f.e. the T and Rolleimagic film advance has special pieces without
double exposure capability, the GX/FX have double exposure capability.
Rollei needed expensive new tooling to manufacture the GX.- Somewhere
Prochnow also wrote most GX mechanical parts were taken from the F,
but these parts are also common for several historical Rollei TLR
models.
Carlos
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