Archived posting to the Leica Users Group, 1997/11/17

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Subject: Re: Retrofocus Whimsey
From: Alfred Breull <>
Date: Tue, 18 Nov 1997 00:26:14 +0100

At 20:01 17.11.1997 +0100, you wrote:
>I agree with Marc on the quality of Zeiss lenses. The Contarex line is
>still in many respects the benchmark for whole generations of optics. The
>4/35 is the lens that approaches the theoretical optimum for its focal
>length, so does the the Sonnar 2/85 and the Sonnar 4/135 and the Biogon 21.
>I think we should try to be a little less leica-centred and also appreciate
>great designs when we meet them

Is your statement true for the 2.8/85 Jupiter 9 also, which is 
described in Marc's book ?

And, sorry, I'm unfamiliar with Zeiss stuff: which 4/35 are you 
speaking of - is it a Distagon or a Flektogon?