----- Original Message -----
From: J. C. O'Connell
Subject: Xenar or Tessar?


> Which is the better lens on a rollei
> TLR?
>
> 1. the Schneider Xenar 75mm F3.5
> 2. the Zeiss Tessar 75mm F3.5

I would expect the Tessar is. I believe the Tessars had one more
lens element than the Xenars.

http://www04.u-page.so-net.ne.jp/tb3/ebara/117_141photo/

The above link might shed some light on your question.
William Robb
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