Archived posting to the Leica Users Group, 2003/02/11

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Subject: RE: [Leica] Black or Chrome?
From: "Kit McChesney | Acmefoto" <kitmc@acmefoto.com>
Date: Tue, 11 Feb 2003 23:00:10 -0700

Jerry--

Nope, I'm sorry, but I just can't let this one go. You asked for it! Giving
it a good try, but sorry man, no cigar.

Your exact words:

<snip>
"The current black finish does not have the saving grace of wearing down
locally, to a condition known as brassing.  There is no brass underneath any
more, 'cause the metal used is a zinc alloy which we call "pot metal".
</snip>

Then you said:

<snip>
"I bought a M4-P recently which had corroded down completely in the area
'tween the shutter speed wheel and
the rangefinder housing.  When I tried to clean off the white deposit there,
it broke away locally, leaving a small hole. leading into the innards of the
upper deck of the camera. The corrosion products fell into this space."
</snip>

Unless I've missed something, there isn't much about an M4-P that is
"current."

So what were you saying, exactly, about the brass? ;-)

<grin>
K.
</grin>


- -----Original Message-----
From: owner-leica-users@mejac.palo-alto.ca.us
[mailto:owner-leica-users@mejac.palo-alto.ca.us]On Behalf Of Jerry
Lehrer
Sent: Tuesday, February 11, 2003 10:27 PM
To: leica-users@mejac.palo-alto.ca.us
Subject: Re: [Leica] Black or Chrome?


Kit

If you look carefully, I had the corrosion problem with a
M4-P.  I don't intend to buy an M7, as I do not use point
and shoot cameras.

Jerry

Kit McChesney | Acmefoto wrote:

> Joseph is absolutely right. There ain't no "pot metal" in the top plate of
> the M7. The top plate is solid brass on both the black and the chrome
> versions of the M7. The plate is milled from a solid piece of brass, and
> both are chromium plated in black or silver chrome.
>
> Maybe your M7 was a grey market "pot metal" version, Jerry? ;-)
>
> Kit
>
> -----Original Message-----
> From: owner-leica-users@mejac.palo-alto.ca.us
> [mailto:owner-leica-users@mejac.palo-alto.ca.us]On Behalf Of Joseph Yao
> Sent: Tuesday, February 11, 2003 9:24 PM
> To: Leica User Group
> Subject: Re: [Leica] Black or Chrome?
>
> on 12/2/03 11:40 am, Jerry Lehrer at jerryleh@pacbell.net wrote:
>
> > The current black finish does not have the saving grace of wearing
> > down locally, to a condition known as brassing.  There is no brass
> > underneath any more, 'cause the metal used is a zinc alloy which
> > we call "pot metal".
>
> The top cover of the M7 (as well as the last few hundred M6 TTL) is brass,
> not zinc alloy.
>
> Joseph
>
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