Archived posting to the Leica Users Group, 1999/12/13

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Subject: Re: [Leica] Shutter Problem?
From: Skip Williams <skipwilliams@pobox.com>
Date: Mon, 13 Dec 1999 14:47:55 -0500

The only thing that I could think of with a pie segment shape is a 
diaphragm leaf.  Does it only occur with one lens?

Skip

At 12/13/99 07:26 PM  +0000, you wrote:
>Hello All,
>
>Simple question...I'm starting to notice a slight problem with my M6.  Of 
>the 6000+(I'm estimating) frames I've shot with the camera, I'm getting a 
>small, over-exposed area on the lower-right portion of the frame.  The 
>area looks like 1/4 of a pizza slice, when printed full frame.  I've seen 
>this in about 3 or 4 of those 6000 frames now.  At first, I thought it 
>might have been user error, like a finger, etc...but now I'm pretty sure 
>that it's not(all instances exhibit the exact same size and shape).  This 
>wouldn't bother me all that much, except that it happened on one of my 
>most printed negatives, and I'm getting sick of burning it in, and 
>spotting such a large area.  Has anyone seen this behavior, or know of 
>what might be causing it?
>I should also probably note that I'm using a 35 summicron, pre-asph.  I've 
>examined the lens and shade carefully, and cannot detect any problems.  In 
>between rolls, I also exercise the shutter at each speed, and I can't ever 
>seem to see anything there either, in regard to sticking, etc.  I'd 
>appreciate any help you can offer.  As always, the lug continues to be an 
>excellent resource for all things leica, and I thank all responders in advance.
>
>happy holidays,
>Paul Klingaman
>
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- -----------------------------------------------
Skip Williams
Westfield, NJ
skipwilliams@pobox.com
- -----------------------------------------------