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Re: [OM] adjusting the 24 shift mechanism

Subject: Re: [OM] adjusting the 24 shift mechanism
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Tue, 13 Oct 2009 09:29:53 -0400
Thank you, that will help in the future.
___________________________________
John Hermanson  |   CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121  |  www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html


iwert bernakiewicz wrote:
> Hello John and Brian,
> 
> I adjusted the 24 shift yesterday. It has a completely different
> system from the 35 shift.
> The horizontal shift friction can be adjusted by 4 screws. These can
> be reached when looking from the back
> and doing a full up and down shift. There are 2 screws visible in the
> felt pad. A light turn will adjust the friction.
> Don't turn to tight, because there won't be any shift possible anymore.
> 
> The vertical shift is done the same way, but looking from the front. A
> total shift left & right will reveal
> 4 similar screws when pulling out the thin metal light baffle. These
> screws are more difficult to reach because the lens
> becomes wider to the front, and it is impossible to keep the
> screwdriver perpendicular to the screw heads.
> 
> I also found that the outer wedge keeping the vertical shift was very
> slightly loose. The only way to tighten these screws is removing the
> back element
> to allow for more shift. I did not do this! I tried to tighten the
> visible quarter of the screw with a very strong and small
> screwdriver in little turns, and this worked as well...
> 
> In hindsight it is logical the 24 uses a different scheme. The amount
> and weight of the shifted part is very much heavier
> than the 35 mm lens. Using the same mechanism would simply not work.
> 
> The lens feels much better now!
> 
> Iwert
> 
> 2009/10/12 John Hermanson <omtech1@xxxxxxxxxxx>:
>> I have not done one of these though I predict the adjustment is the same
>> as the 35.
>> ___________________________________
>> John Hermanson  |   CPS, Inc.
>> 21 South Ln., Huntington NY 11743
>> 631-424-2121  |  www.zuiko.com
>> Olympus OM Service since 1977
>> Gallery: www.zuiko.com/album/index.html
>>
>>
>> Brian Swale wrote:
>>> Iwert Bernakiewicz wrote
>>>
>>>> Hello everybody,
>>>>
>>>> My 24 shift is showing some vertical creep lately, not exactly what
>>>> you want during exposure :).
>>>> I have adjusted my 35 shift myself, but don't know if the mechanism is the
>>>> same. I can see a lot more screws in the construction of the 24...
>>>>
>>>> Anybody on the list with experience in handling this. Epoxy is no option
>>>> :)
>>> The 35 shift is not difficult to stiffen once it starts slipping. Is the 
>>> construction
>>> of the 24 shift so very different ??
>>>
>>> Brian Swale.
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