Archived posting to the Leica Users Group, 2002/04/03

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Subject: RE: [Leica] Telyt 400/5.6
From: "Frank Filippone" <>
Date: Wed, 3 Apr 2002 06:32:21 -0800

In a true non-telephoto design, which I assume is how a 2 element lens is
made, the physical length does not change materially from a 2 or 3 element
design.  400 mm is about 16 inches long.  Only folded mirror design or
telephoto design lenses make this shorter.
Frank Filippone

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