[rollei_list] Re: Rollei 35 lenses blog
- From: CarlosMFreaza <cmfreaza@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Tue, 1 Mar 2011 08:28:19 -0300
2011/3/1 Marc James Small >
> I do not believe that anyone has pointed out the patent infringement issues
> raised by Rollei's use of a Zeiss design under its own label and lens name.
> Have no fear: the Zeiss patent on the original 2.8/40 Sonnar would have
> dated from the early 1970's and thus would have expired in the early 1990's,
> so Rollei could have done this rebadging any time over the past two
> decades...."
I did not point out it Marc but I noted the detail, my Rollei 35 made
in 1973 has a Tessar 3,5/40 lens made by Rollei and it only says "made
by Rollei", there is no mention to CZ and there is no serial number,
the Sonnar lenses from the '70s made by Rollei don't mention CZ (at
least the several Sonnars I saw) and a few of them have serial
numbers, a Rollei s/n clearly. I think there was a Rollei-CZ
Oberkochen agreement on the topic at the time.
Carlos
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