Archived posting to the Leica Users Group, 2001/09/20

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Subject: Re: [Leica] Bubbling under black chrome on M6
From: John Collier <jbcollier@powersurfr.com>
Date: Thu, 20 Sep 2001 17:23:43 -0600

There is Zinc in them there hills!

The top plate of the M6 is made of a zinc composite material. Any pin prick
sized holes and a little bit of salty moisture and it starts corroding
causing the finish to bubble.

John Collier

> From: "Edward Mortimer" <munkfishy2k@hotmail.com>
> 
> Today a customer in our store showed me his Leica M6 he was thinking to part
> ex. I noticed that under the black chrome on the body of the camera were
> what seemed like very small bubbles in places under the black chrome. These
> only appeared on the toplate, but in various areas around it. Has anyone
> come across this kind of thing before? My collegue said it must have been
> done at manufacture (which i find hard to believe, but possible perhaps?) Or
> is it due to exposure to the eliments in some way. I was just very puzzled
> when i saw it and thought i would post this message to try and shed some
> light on the matter.
>

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Replies: Reply from Feliciano di Giorgio <feli@d2.com> (Re: [Leica] Bubbling under black chrome on M6)