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

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Subject: [Leica] re: older or newer Summitar
From: Thinkofcole at aol.com (Thinkofcole@aol.com)
Date: Tue May 25 14:03:36 2004
 
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
Replies: Reply from claude.hayward at btinternet.com (Claude Hayward) ([Leica] re: older or newer Summitar)
Reply from shino at panix.com (Rei Shinozuka) ([Leica] re: older or newer Summitar)