Archived posting to the Leica Users Group, 2004/05/25

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Subject: [Leica] re: older or newer Summitar
From: claude.hayward at btinternet.com (Claude Hayward)
Date: Tue May 25 14:45:34 2004
References: <1d2.21eb5f5a.2de50e9b@aol.com>

Thanks to "Thinkof Cole" and also to Michiel Fokkema for your trouble.

My Summitar has a serial No 721xxx  which I believe is still quite early 
1948? . When I get it back I will look to see if the iris blades are 
flat or curved and then try it !!!!

Regards Claude Hayward


Thinkofcole@aol.com wrote:

>Lager says early Summitars have flat diaphram blades that form a circular 
>aperture while later Summitars have domed [forward curving] blades that form a 
>hexagonal opening. He adds that Summitars after Nov. 1945 [@ #587601] are 
>factory coated and from early 1946 [about #611000] have international apertures to 
>f16.-- bob cole
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Replies: Reply from aaron.sandler at duke.edu (Aaron Sandler) ([Leica] re: older or newer Summitar)
In reply to: Message from Thinkofcole at aol.com (Thinkofcole@aol.com) ([Leica] re: older or newer Summitar)