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[OM] Re: How hard and risky is it to repair a one touch zoom?

Subject: [OM] Re: How hard and risky is it to repair a one touch zoom?
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Tue, 25 Jul 2006 08:14:00 -0400
The one touch Olympus zooms which develop creep (65-200, 50-250) employ 
a set screw adjustment, maybe tamron does too.

Closed 7/27 through 8/6
___________________________________
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington NY 11743
631-424-2121 | Olympus OM Service since 1977
http://www.zuiko.com  |  omtech1 AT verizon.net


Chuck Norcutt wrote:
> I would contact Tamron to see if they will fix it.  The zoom creep is 
> probably deteriorating helical/zoom grease so it needs to be 
> disassembled, cleaned and relubed.  The loss of parfocal behavior 
> between long and short sounds to me like something has come loose 
> inside.  Hopefully, it's only something loose and not broken.  Even 
> Tamron might not have parts anymore.  But readjustment will probably 
> require technical knowledge of this specific lens.
> 
> Chuck Norcutt
> 
> Fabio Fiorellato wrote:
> 
> 
>>Hi list,
>>
>>I've recently discovered that my Tamron SP 35-105mm f/2.8, apart from having
>>a mild amount of zoom creep, is not keeping correct focus when zooming from
>>one end to the other.
> 
> 
> 
> 
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