Archived posting to the Leica Users Group, 2003/08/10

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Subject: [Leica] Rick's rangefinder concerns
From: Alastair Firkin <firkin@ncable.net.au>
Date: Sun, 10 Aug 2003 23:24:07 +1000

STOP LOOKING ;-)

On Sunday, Aug 10, 2003, at 21:06 Australia/Melbourne, Rick Dykstra 
wrote:

> The Noctilux thread has reminded me ...
>
> A while back I played with my M6 with the back off and 35/1.4 
> attached, observing the focussing linkages moving as I twisted the 
> lens.  I noticed that the linkages stopped adjusting slightly before 
> the lens stopped turning.  I now avoid using lenses at their near 
> focussing limit, concerned that the rangefinder may not be 'faithful' 
> at that point.  This can also be seen in the viewfinder; the patch 
> stops focussing just before the lens stops moving.  This anomaly could 
> cause images to be focussed closer than was shown by the rangefinder.
>
> Comments?
>
> Rick.
>
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>
>
Alastair

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