Archived posting to the Leica Users Group, 1997/10/31

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Subject: Re: plastic in M lens
From: Eric Welch <>
Date: Fri, 31 Oct 1997 09:47:57 -0600

At 12:24 PM, you wrote:
>Though you might be interested: 
>Recently, my dealer & repair specialist received an ordered brand-new 2/35
>Summicron from Solms, which had a lot of dirt (Schmutz) between the inner
>lenses. Since his customer needed the lens urgently, he opened & cleaned the
>lens himself. Further he found, that most inner rings which hold the single
>lens elements are plastic now.

Plastic is not all bad. Canon has had great success with it in their EOS1n.
As rugged a camera as there is (Leica M6 excepted).  Plastic can actually
have some superior characteristics to metal. It doesn't bend permanently as
easily, it can be as strong or stronger, and it's lighter.

So, what kind of plastic has to be addressed before it can be considered a
criticism, no?

Eric Welch
St. Joseph, MO

Pi R Squared? No Pi R round, Cornbread R Square!