Archived posting to the Leica Users Group, 1999/09/06

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Subject: Re: [Leica] Re: Loose filter ring on 21mm f/3.4 SA M
From: "Robert G. Stevens" <robsteve@hfx.andara.com>
Date: Mon, 06 Sep 1999 19:30:18 -0300

Peter:

I think if you check the archives there is something about these beig set
with lacquer and that loosens after time.

Regards,

Robert

At 05:00 PM 9/6/99 -0400, Pieter Bras wrote:
>Ken Lassiter <kenlass@gate.net> wrote:
>>
>> I have the same problem on my 21 SA 3.4.  It has been that way for
>> several years and does not seem to cause any image or operating problems. 
>> ...
>> I understand this problem has been noticed by other owners of this lens.
>
>Thanks.  I'd found no mention of this in the LUG archives.
>
>Right now I have just a little fore-and-aft looseness in the filter ring.
>But where there is play, there is likely to be accelerated wear, leading
>to further looseness, etc.
>
>Does anyone know what causes the looseness to develop initially?
>
>-- 
>Pieter Bras
>
>