Archived posting to the Leica Users Group, 1998/05/07

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Subject: Re: [Leica] Versions of 35 Summicron-M
From: Bud Cook <budcook@ibm.net>
Date: Thu, 07 May 1998 15:27:55 -0500

Lucian,
Thank you VERY much for the information.  This is exactly what I was
looking for.
Bud

Lucien wrote:

> Bud
>
> >Were there four versions of the 35mm Summicron-M prior
> >to the ASPH version?
>
> Yes
> 1 1958 Canada and Wetzlar (filter E-39)
>  - Chrome for M2 = 11308 (SAWOO-MW)
>  - Chrome RF for M3 = 11108
>   1961
>  - rare black for M2 = 11307 (SAWOO-M)
>  - Rare black RF for M3 = 11104
> 2 1969 Canada + rare Wetzlar (filter E-39 + serie VII)
>  - Black chrome 11309
>    (with protuding aperture control lever)
> 3 1970 (or 1973*) Canada (filter E-39 + serie VII**)
>  - Black chrome 11309
>    (same code, new computation**, no protuding etc..)
>   * according to first serial nr = 1970
>     according to litterature = 1973
>   ** Some rare lens accept only serie VII
>   *** no draft of the new lens design available, debatable.
> 4 1979 Canada + Germany (filter E-39)
>  - Black chrome 11310
>   1992 Germany
>  - Chrome 11311
> 5 1997 Germany
>  - Black Asph.
>  - Chrome Asph.
>
> >What was the last version produced in Canada/Wetzlar?
>
> In black Canada, then Germany.
> In Chrome in Germany only.
>
> >If there were four versions, what was the difference
> >between version 3 and version 4?
>
> Computation, design, lens hood etc.
>
> Lucien