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Re: [OM] Focus discrepancy in OM-4T: Solution sought

Subject: Re: [OM] Focus discrepancy in OM-4T: Solution sought
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Mon, 2 Oct 2000 09:24:08 -0400
If mirror "stop" tab is out of position, then mirror angle is wrong.
Infinity focus will then be off with ALL your lenses.

John  Hermanson
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Camtech, Olympus Service since 1977.
21 South Lane,  Huntington NY 11743-4714
631-424-2121 http://www.zuiko.com
Free Olympus Manuals: 1-800-221-3000
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----- Original Message -----
From: Lex Jenkins <lexjenkins@xxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, September 29, 2000 5:29 PM
Subject: RE: [OM] Focus discrepancy in OM-4T: Solution sought


| On most SLRs the bar or button on which the return mirror rests in the
down
| position appears to be either made of a synthetic material, or coated in
| one.  I've theorized that over time changes in the dimension of the
material
| could affect focusing calibration.
|
| But, if I'm recalling correctly, John H. dispelled these notions not long
| ago.  Apparently focusing screen installation and seating are a more
| important factor.  Correct me if I'm disremembering.
| -----------
| Lex Jenkins
| ----------------------------------------------------------------------
| Hoist my petard!  Yoikes and away!! - Ur Amblet, 'The Very Bad Quarto'
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