The Old 35EC, ECR, EC2 used those batteries and they were usually the cause
of camera failure. They were the leakiest batteries every made. Bad news.
_________________________________
John Hermanson
Camtech, Olympus OM Service since 1977
631-424-2121 www.zuiko.com
Call Olympus for FREE manuals!
1-800-221-3000
_________________________________
----- Original Message -----
From: "andrew fildes" <afildes@xxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Tuesday, December 18, 2001 6:20 AM
Subject: Re: [OM] Battery for Spotmeter
> >on 12/17/01 1:16 PM, Bill Owens at wowens1@xxxxxxxxxxxxxxx wrote:
> >
> >> I just received my Pentax 1/21 Spotmeter from ebay. I want to replace
both
> >> batteries, one of which is a common 9V battery. The other battery
appears
> >> to be dead and is labeled "640". Does anybody know if this battery, or
its
> >> equivalent is still available?
> >>
> >> Bill, KG4LOV
> >> wowens1@xxxxxxxxxxxxxxx
> >>
> >The 640 battery used to be mercury, those are no longer available (a
shame
> >since the Minolta HiMatic E and some small Olympus rangefinders used
them).
> >Duracell makes an alkaline 640A that fits and powers the camera, but of
> >course the voltage is different. I don't know if that throws off the
meter
> >or not, on the Minolta camera you need the battery to make the shutter
> >work... I suppose if the Pentax 1/21 spotmeter uses the battery with a
> >voltage regulator it might not matter.
> >--
> >
> >Jim Brokaw
>
> Keenly interested as I picked up an old spotmeter recently. Can't work out
> why it needs two batteries!? I suppose the 640PX is a 2.7V and the
alkaline
> a 3V. Sigh. I think I've seen a silver version made by Excel (Chinese) but
> I'll have to check. If so, I'll test one against my still working merc.
> What's the 1/21 mean?
> AndrewF
>
>
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