Archived posting to the Leica Users Group, 1998/09/19

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Subject: Re: [Leica] Lens wt vs finish->Now question about titanium
From: "Bruce R. Slomovitz" <brslomo@erols.com>
Date: Sat, 19 Sep 1998 17:42:25 -0400
 
>
>The titanium finish is exactly that.  A finish applied to a normal brass
>lens.  A titanium lens barrel is certainly "feasible".  However,
"affordable"
>may be the problem.  In fact, a titanium lens barrel would greatly reduce
the
>weight of the lens.  The titanium finish is usually applied via a vapor
>deposition.  I'm not sure if this is how Leica applies the finish or not.
>Since titanium is extremely durable, I doubt that it would wear through the
10
>to 100 micrometer (typical) thickness.
>
>Rick

Rick,

I don't mean to be argumentative.  But I think it's a plasma rather than a
vapor and I think you mean 10 to 100 micron.

Bruce S.