Archived posting to the Leica Users Group, 2000/02/20

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Subject: Re: [Leica] Re: Anodized finish BUBBLING up
From: John Collier <jbcollier@home.com>
Date: Sun, 20 Feb 2000 17:11:36 -0700

Might you be close to that great repository of salt? I have heard of
bubbling in Vancouver (coastal) but not in Alberta as it is DRY, DRY, DRY.

John Collier

Older Leicas have the brass under the plating or painting while the later
cameras are a zinc composite material under the plating.

> From: timswan <timswan@blazenetme.net>
> Date: Sun, 20 Feb 2000 15:50:13 -0500
> Subject: [Leica] Re: Anodized finish BUBBLING up
> 
> 
> I thought it was just me! I have an R4 and an M6 which are both showing
> the same symptoms -- blisters underneath the black chrome which burst,
> leaving a corroded spot. Strangely my Leicaflex SL and M3 do not have
> this problem. I have a feeling that it's the chrome over brass that's
> saving them.
> 
> In my case it can't be because of sub-tropic conditions -- I live in
> Maine,