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Re: [OM] Olympus 35 EC instruction manual?

Subject: Re: [OM] Olympus 35 EC instruction manual?
From: clintonr@xxxxxxxxxxxxxxxx
Date: Mon, 14 Jul 2003 13:45:03 -0500
I suspect it has more to do with the circuit design than anything else (like
age), but the exposures with alkaline (1.5v) batteries are almost always
within +/- 1 stop -- not bad for a compact.  The error on OM-1's varies from
about a stop to more than 2 stops -- no good for a pro quality frame.


Pekka Saariniemi wrote:

> Hi,
> And thanks for the reply. Actually I got the manual directly to my
> mailbox, thanks Greg!
>
> Do those alkaline cells make same kind of exposure error like in OM-1?
> Or is there an internal voltage regulator in the camera, I doubt...
> Maybe the second best choice after re-calibration is 1.4V zinc-air
> battery like 675?
>
> Regards,
> Pekka
>
> clintonr@xxxxxxxxxxxxxxxx wrote:
> >
> > Hi, Pekka --
> >
> > I didn't see any replies to your query so I guess nobody has a manual.
> > Neither do I, but I'd be pleased to answer any questions you might have.
> >
> > To start, the EC uses two type 640 batteries.  These were originally
> > mercury cells, and the replacements are higher-voltage alkaline cells,
> > but I haven't seen any problems caused by using them.  It's common for
> > these batteries to leak, however, and chances are the battery contacts
> > are corroded.  If so, they'll need to be cleaned or replaced.  Another
> > caution is that sometimes the corrosion invades the battery cover,
> > causing the contact in it to short to the body.  If so, this will drain
> > the batteries rather quickly.  Keep that in mind if you see a problem.
> >
> > Next, the EC has to have batteries in it to work.  You can wind and fire
> > the camera, but the shutter will never open unless power is getting to
> > the circuits.  The way to check is to watch the yellow lamp on the top,
> > and through the eyepiece -- it should glow as you press the release
> > button down half way.  If not, don't expect to get a photo.
> >
> > If you'd like any more info, just ask....
> >
> > Pekka Saariniemi wrote:
> >
> > > Hi,
> > > Does anyone of you know if there is an instruction manual for 35 EC
> > > available in the net somewhere?
> > > I happened to get the camera today and I can't do anything with it,
> > > obviously it needs two batteries...
> > >
> > > Thanks in advance,
> > > Pekka
> > >
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