Archived posting to the Leica Users Group, 2001/09/07

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Subject: RE: [Leica] Noct vs 50 'lux
From: Dan Cardish <dcardish@sympatico.ca>
Date: Fri, 07 Sep 2001 06:20:32 -0400

As far as I'm aware, the pre 35/1.4 summilux dated back to aroound 1960,
and was never optically recomputed until it's discontinuance a few years ago.

dan c.

At 12:38 PM 07-09-01 +0300, Ext-Peter.Sikking@nokia.com wrote:
>John Collier wrote:
>  
>--A brief article on the Summilux-M is available on the LHSA website:
>  http://www.lhsa.org/
>  Click on "Viewfinder" and scroll down to the
>  "Volume 31 No. 3, 1998" menu and select
>  "The 50mm f/1.4 Summilux By Dick Gilcreast"
>
>Which says (with reference) on the top of page 3 that
>the design was tweaked in ~1968 for a flatter field and
>better edge sharpness at middle apertures.
>
>Also missing in the Compendium is the recomputed pre-ASPHERIC 35-lux.
>
>	--ps/032
>