Archived posting to the Leica Users Group, 1997/11/06

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Subject: Re: 35mm/2 light falloff question
From: Alfred Breull <>
Date: Thu, 6 Nov 1997 20:28:43 +0100

Assumed, that the correct number might be (instead of,
and that's a 2/35 Summicron of version 2, I remember a very slight falloff
at f 2.0 also. I never saw it in later versions.

- ---------------------------------------------------------
At 09:43 06.11.1997 -0600, you wrote:
>Aquestion about light falloff,
>I noticed a different (than expected) result last night when looking at
>some new proof sheets.  I have a new to me, actually  "preowned", 35mm/2
>summicron (#35x,xxx , non asp., has notches for lens hood) that I am quite
>happy with but on the last set of proofs there are several frames with
>noticable corner vingnetting.