Archived posting to the Leica Users Group, 1999/01/11

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Subject: RE: [Leica] Lens Designs
From: "Kotsinadelis, Peter (Peter)" <peterk@lucent.com>
Date: Mon, 11 Jan 1999 13:51:59 -0800
 
Marc, 

According to my literature from Zeiss they indicate that the Zeiss Biotar of
1911
was indeed a high-speed modification of the Petzval-lens.  Could this be
wrong?

Peter K