The 'x' simply represents dimensions. 2x3SA is 2mm diameter BY 3mm long.
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington, NY, 11743-4714,
631-424-2121, www.zuiko.com
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----- Original Message -----
From: "Andrew Gullen" <andrew.gullen@xxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Thursday, November 04, 2004 10:18 AM
Subject: [OM] Re: focusing rail knob question
> on 2004/11/02 12:26 PM, John Hermanson at omtech@xxxxxxxxx wrote:
>
>> Did the pin shear off? I'm surprised they'd use them in that assembly.
>
> Could be, at least partially. I can't tell 'til I get it out.
>
> on 2004/11/03 1:06 PM, PhotoSphere Olympus Camera Service at
> olyfix@xxxxxxxxxx wrote:
>
>> My parts page shows an unusual number for the screw used on the knob of
>> the
>> focusing rail and stage (screw type ACU2x3SA, part #WE120009), a number
>> different from the one shown on the bellows (screw type NU2x3SN, part
>> #WE119168). Once or twice I've encountered products where Olympus used
>> ultra-tiny hex-head set screws and this may be one of them. You might
>> try
>> getting a couple of the smallest hex drivers you can find and try using
>> them
>> to loosen/tighten the set screws.
>
> Thanks, that's interesting too.
>
> John and Clint - are there really lowercase x's in these screw types?
> Sorry
> to ask such a question, but I'm not used to seeing mixed-case in things
> like
> that.
>
>> If that doesn't work, I'd leave it be.
>> The diagram shows that the set screw locks the knob to the shaft, but as
>> long as the screw doesn't back out too far, the knob will not unscrew
>> completely. In it's present state, it's just a mild inconvenience, but
>> booger it up and you'll hate yourself in the morning!
>
> Actually it's quite hard to adjust focus when the knob has that much play.
> But I can usually use the knob on the stage instead.
>
> My next step is to post a photo. Good thing I have macro equipment. :-)
> Too bad I'm not shooting digital yet. :-)
>
> Andrew
>
>
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