Archived posting to the Leica Users Group, 1997/08/21

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Subject: uneven exposure
From: Jim Zietz <jzietz@unix1.sncc.lsu.edu>
Date: Thu, 21 Aug 1997 10:05:11 -0500
 
I have noticed an uneven exposure horizontally across the frame of pics
made with my M6 at the faster shutter speeds. I have had this problem
before with Nikons. I am going to do some tests with the M6 and two M3's.

I plan to shoot an even blue sky area with a 90 mm lens at shutter speeds
from 1/1000 to 1/60. I will use T-Max 100 because it will give me a middle
gray exposure at 1/60, f:11 or so.

Any ideas on the testing procedure or what to do once I verify problems.