All new caps sold be Olympus (ZC4812) are unpainted, (aluminum or chrome
color.). They haven't made the black caps since the original OM-4. Under
a high powered loupe, small dots of paint are often found in the threads and
that's all that's needed to cause problems.
John Hermanson
Camtech Photo Services, Inc.
21 South Lane,
Huntington, NY, 11743-4714,
631-424-2121, www.zuiko.com
_________________________________
----- Original Message -----
From: "Andrew McPhee" <macca@xxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Wednesday, September 22, 2004 6:17 AM
Subject: [OM] Re: Question about OM-4 spot meter
> At 10:16 AM 21/09/2004 -0400, John Hermanson wrote:
>
> >You should use an "all aluminum" battery cap, not painted black. They
> >stopped making the black caps when they discovered the threads had black
> >paint in them and could cause a host of other types of problems.
>
> Hi John,
>
> I've examined the battery cap and the threads are clean, only the exterior
> surface is painted black, the thread and interior are
> aluminium. Coincidentally, on eb*y right now someone is selling pairs of
> new (aluminium) OM 2-3-4 motor drive/battery caps. If I was sure the
> problem is the cap I'd throw in a bid.
>
> Other than this spot button and memory switch problem, the electrical
> system seems to be fine. The meter switches on fine, the viewfinder
display
> looks okay and exposures seem to be consistent. I'm just about convinced
> the problem with my 4 is the contact pad under the spot button, or at
least
> something in the vicinity because there are occasional problems with the
> memory switch as well.
>
> Andrew McPhee
>
>
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