Archived posting to the Leica Users Group, 1997/07/11

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Subject: Lens Mounts - was:Titanium Leica M6
From: "Roger Beamon" <beamon@primenet.com>
Date: Fri, 11 Jul 1997 09:00:23 -0700

> One difference between the aluminium (alloy?) and brass mounts, so
> I'm told, is if you get sand or grit in the threads the aluminium
> ones will seize and lock up. Brass ones will continue to be
> useable until you can get the lens to a service center.
> 
> Bob.    bobp@dodo.demon.co.uk

The aluminum alloy comprises the barrel or body of the lens, NOT 
the mount. The bayonet mount itself is steel (stainless probably). 
Aluminum, regardless of the alloy, would be entirely too soft to 
withstand the rigors of repeated mounting and unmounting over the 
years.
- --
Roger Beamon  
       Naturalist & Photographer
       Leica Historical Society Of America
       mailto:beamon@primenet.com
          
          Thought for the day:
      Success in politics often requires
      rising above your principles.