[rollei_list] Re: Rolleiflex SL 35 E
- From: Marc James Small <marcsmall@xxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Wed, 05 Mar 2014 02:05:23 -0500
At 02:35 PM 3/3/2014, Cmfreaza wrote:
We had commented on the point Marc. The
Voigtlaender electronic shutter was a _cloth
shutter_ used for the SL 35 ME. The Rollei
electronic shutter was a _metal shutter_
developed from 1974 by a Rollei team, I don't
have the book here to give the names.
Carlos
Zeiss Ikon -- well, the Voigtländer engineers who
had been taken over under the ZIV deal --
produced the metal shutter used in the prototype
ZI SL2000F. That shutter was fully developed by
the time Rollei took over much of the old
Voigtländer assets when Zeiss Ikon was pulled out
of camera production. Prochnow contended that
this was a Rollei development but it was not, as
Zeiss Ikon had developed it and passed it on
to Rollei when they took over much of the Zeiss
Ikon designs. Rollei picked up all rights to
these cameras, incidentally, including patent and
other intellectual property rights.
Zeiss retained the Contares but this simply led
to the Yashica Contax RTS, and Zeiss separately
sold the SL725 to Wolf, who were never able to get it into publication.
Thirty years back, I knew a number of the
engineers who had worked on these shutters, some
in person and others indirectly and a few by
mail. Their stories are consistent: the
electronic shutter was started when Voigtländer
was still an independent asset owned by the Zeiss
Foundation and then went over to be further
developed after the merger which formed Zeiss
Ikon Voigtländer, eventually leading to the one
with metal curtains intended for the abortive ZI
SL 2000F and which was then, in turn, passed on
to Rollei. F&H had a very long history with
Voigtländer dating back to its first days and so
the shutter in the Rolleiflex SL2000F and SL35E share a Rollei heritage.
I recognize Prochnow's views on this, and, of
course, nil nisi bonum mortuis. The truth is,
though, that the facts speak contrary to his
views. You might want to join the Zeiss Ikon
Collectors' Group on Yahoo! Lists and express
his position there. Be prepared to meet some
opposition, as some of our members on the ZICG
also knew these self-same engineers.
Carlos, it is always a delight to discuss
matters such as this with you. You hold your ground well.
Marc
msmall@xxxxxxxxxxxx
Cha robh bàs fir gun ghràs fir!
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