Thanks, to all who've offered their helpful hints. Now I think I've got
it--lens off, look at the light, twist to point of sharpest focusing circle.
glen
-----Original Message-----
From: John Hermanson <omtech@xxxxxxxxx>
To: olympus@xxxxxxxxxxxxxxx <olympus@xxxxxxxxxxxxxxx>
Date: June 8, 1999 8:15 PM
Subject: Re: [OM] OM-4 diopter adjustment
>The diopter is not supposed to have a zero setting. The correct setting is
>wherever it ends up, allowing the current user to see the focus screen
>clearly. Why set it to zero if the screen isn't sharp?
>
>John
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>----- Original Message -----
>From: John A. Lind <jlind@xxxxxxxxxxx>
>To: <olympus@xxxxxxxxxxxxxxx>
>Sent: Tuesday, June 08, 1999 1:29 PM
>Subject: Re: [OM] OM-4 diopter adjustment
>
>
>> At 19:55 6/8/99 , Giles wrote:
>> >
>> >I don't think the manual says what setting is 0 - I could be wrong of
>course.
>> >
>>
>> I read the OM-4 manual before my first posting . . . Giles is correct, it
>> does not state where the "0" position is (I looked for that specifically)
>.
>> . . just how to adjust it until the focus screen is sharp. The diopter
>> range was found in the specs in the back of the manual.
>>
>> I pointed mine, without lens, at a brightly lit, pale single-colored wall
>> (no, not single coated, single colored), and adjusted. Pointing at an
>> overhead light didn't work very well. You should find one position of
the
>> knob in which the microprisms and the shutter speed display at the bottom
>> seem sharper than the others. As stated before, did this a few times
>> before I found the one best position. (Someone also monkeyed around with
>> the diopter knob once and had to go through it again.)
>>
>> If you want to wear your glasses when you use the OM-4, do this with your
>> glasses on. I push mine up and out of the way with the top of the prism
>> housing, or with my hand, just before looking through the viewfinder.
>>
>> -- John
>>
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>
>
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