[Leica] New to Leica - Leitz 4/90

[hopsternew at gmail.com (Geoff Hopkinson)]

Well Marc, one purpose served is that I got my Leitz Elmar f.9cm 1:4 out of
the cupboard to look at! So I'll shoot it on my M8 now for fun and see how
it goes. I only ever tried it out on the Visoflex and a film M before.

2009/3/5 Marc James Small <marcsmall at comcast.net>

> At 11:56 PM 3/4/2009, you wrote:
> >Would that make it, for those late ones, a special run.
> >It doesn't seem that they would of been part of the general run.
> I do not believe so.  Leitz changed from marking lenses in cm to mm as
> noted during the 1960's.  Leitz, as other manufacturers, produced lenses in
> batches.  So, at some point, a given batch of 4/9cm Elmars was finished and
> the next batch, a year or so later, was marked "4/90".  Zeiss guys would go
> wild at this and would hammer every possible serial number out of the
> woodwork to identify the batches between which the change occurred.  I am a
> bit more relaxed on this and will simply say that I had forgotten how long
> the 4/9cm or, if you wish, 4/90 Elmar remained in production.  Heck, there
> were even 573 LTM three-element lenses produced.
> I have let the LUG down twice over the past 48 hours, and I can only
> apologize.  Dum Iove nodat, and I have been napping a lot lately!
>
> Marc
> msmall at aya.yale.edu
> Cha robh b?s fir gun ghr?s fir!
>
> --
> Cheers
> Geoff
> 'Pick up your Leica and make the best photo you can'
>