The original XA has 2 cds cells. One for the meter indication, the other
for actual exposure.
John
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----- Original Message -----
From: Keith (R.K.) Berry <keith_r.k.berry@xxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Tuesday, August 24, 1999 4:48 PM
Subject: Re: [OM] XA problem (was Rebuttal on Repair recommendations)
>
> Richard Ross wrote:
> >I *think* the XA uses a CdS cell rather than a silicon one, so if you've
> >stored it for that length of time the CdS cell might have gone to sleep,
> >causing the symptom you describe. Try leaving it in daylight with the
> >cover open for a few days - that might resuscitate it. Just a thought,
and
> >it won't cost anything at all! CdS cells suffer from a "memory" effect
> >which causes them to "remember" the light level in which they've been
kept
> >for any length of time - in this instance your cell still thinks it's in
> >the dark and thus overexposes. It maybe just needs some exercise - let
it
> >see the light :-)
> >
> Thanks Richard, I'll try it. The XA's spent a few days in a sunny window,
> but inside a lens pouch just for the heat (and as a protection against a
> possible visit by the cat!). I don't hold too much hope though, as the
meter
> needle in the viewfinder seems very accurate. When pressing the shutter
> release at an indicated 1/125th the shutter operates at what looks, and
> sounds, like 1/8th or slower. The offset seems to be quite linear, an
> indicated 1 second gives me an open shutter for around six seconds. The
> shutter speed when set for flash, however, is always instantaneous, which
> leads me to think that it's not an oily blade problem.
> A 100 ASA test film was exposed at 800 ASA and the results were good even
> though the shutter sounded to be around 1/15th sec some of the time, and I
> got some unexpected subject movement. It surprised me how still I could
hold
> the camera when I was expecting a slow speed!
> It's now in a terrarium, hopefully out of reach of the cat, but in a clear
> polythene bag just in case, staring out of the window, for as you say, it
> costs nothing to try it.
> Regards,
> Keith Berry (Birmingham, England)
> keith_r.k.berry@xxxxxxxxxx
>
>
>
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