[rollei_list] Re: 2.8F opton?
- From: Carlos Manuel Freaza <cmfreaza@xxxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Sun, 6 Jul 2008 18:06:31 -0700 (PDT)
Excuse me Eric, it does not it true, this is form Todd:
>I have just taken the lens apart again to confirm and I can categorically
>state that the 2.8 Biometar as found on the Rollei 2.8 B is not the same as
>the 2.8 Planar as found on the 2.8 Rollei. The 2.8 Rollei Biometar has a
>single front element and a cemented doublet in front of the shutter - like
>the Xenotar.
>
>You can read as many books as you like to get information and come to a
>'logical' conclusion, but there is nothing like having the real thing in
>front of you to know for certain.
>
>todd
>
BTW, I insist because I know about it, the Biometar 2.8/80 has to do with the
Xenotar, not with the Planar.-
Carlos
--- El dom 6-jul-08, Eric Goldstein <egoldste@xxxxxxxxx> escribió:
> De: Eric Goldstein <egoldste@xxxxxxxxx>
> Asunto: [rollei_list] Re: 2.8F opton?
> Para: rollei_list@xxxxxxxxxxxxx
> Fecha: domingo, 6 de julio de 2008, 10:00 pm
> Richard -
>
> From the company history we have been told, it would seem
> that the
> Biometar on the 2.8 B and the Planar on the 2.8 C are very
> similar in
> their construction...
>
> I'd be curious how the patent data say they differ.
>
>
> Eric Goldstein
>
> --
>
> On 7/6/08, Richard Knoppow <dickburk@xxxxxxxxxxxxx>
> wrote: (snipped)
>
> > The Biometar was indeed a five element lens of the
> Wynne type made by
> > VEB Zeiss. It is not the same as either the Planar or
> Xenotar. From the
> > patent data its a good lens. I think these are rather
> rare on Rolleis and I
> > don't know if VEB Zeiss offered them for other
> cameras.
> ---
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