Archived posting to the Leica Users Group, 2009/11/27

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Subject: [Leica] Summicron 90 versions
From: alal at duke.poly.edu (A. Lal)
Date: Fri, 27 Nov 2009 10:38:44 -0500
References: <mailman.77.1259272197.38619.lug@leica-users.org> <4B0FDA3E.5030805@verizon.net>

P.S:- Most likely a lens near SN 275X,XXX will be V2.  Best to ask  for 
dimensions and whether it has a one or two-piece sliding hood before you 
buy/bid. V3 had a one piece hood and was smaller.
----- Original Message ----- 
From: "Stan Yoder" <s.yoder at verizon.net>
To: <lug at leica-users.org>
Sent: Friday, 27 November, 2009 8:55 AM
Subject: [Leica] Summicron 90 versions


>I dunno how accurate Sartorius is with s/n ranges, but he says:
>
> v.2 is from "approx. 1,651,000 to approx. 3,013,000."
>
> v.3 is from "approx. 2,800,000 to approx. 3,750,000."
>
> Thus an overlap, yes?
>
> Quoted weights are 685gm and 410gm, respectively.
>
> I notice from photos that v.2 has a scalloped focus ring, while v.3 has a 
> smooth one. Is that a reliable indicator, or not?
>
> Bottom line: would an example w/ s/n 2,750,xxx and a smooth ring likely be 
> a v.2 or v.3?
>
> Thanks in advance for any help.
>
> Stan Yoder
>



In reply to: Message from s.yoder at verizon.net (Stan Yoder) ([Leica] Summicron 90 versions)