Archived posting to the Leica Users Group, 2005/05/01

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Subject: [Leica] 2/75 Cron test
From: pklein at 2alpha.net (Peter Klein)
Date: Sun May 1 11:56:32 2005

Buzz:  I love it when you talk dirty!   :-)
--Peter

At 02:44 AM 5/1/2005 -0700, Buzz Hausner wrote:
>I don't know about the rest of you, but I for one just hate it when lens
>designers fail to reduce the Petzval sum and the secondary spectrum
>through achromatization.