Archived posting to the Leica Users Group, 2000/02/27

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Subject: Re: [Leica] Serial numbers of 90 Summicron
From: John Collier <jbcollier@home.com>
Date: Sun, 27 Feb 2000 18:31:57 -0700

1st version/1957-1958/seperate hood/E48/very rare/sn.1459xxx to 165xxx


2nd version/1958-1979/built-in hood/E48/common/sn.1651xxx to 3013xxx
(numerous mechanical variations)

3rd version/1980-1998/built-in hood/E49 to sn.3177210 then
E55/common/sn.2800xxx to 3750xxx


4th version asph/current

source: Sartorious

I hope this answers your question

John Collier


> From: "Julian Koplen" <jkoplen@mindspring.com>
> 
> I have seen several used 90mm Summicrons listed on eBay as the more recent
> pre-Asph models, but their serial numbers have been in the 26xxxxx and
> 28xxxxx range, well below the cut-off of 2997xxx which Erwin Puts designates
> for the high number of the oldest (larger) version. Can anyone confirm that
> Mr.
> Puts's number is not a misprint?  Unlikely, I know, and I am only asking
> because I think I have seen the descriptive discrepancy more than once.
>