<< > Hmm, time to get the thinking cap & soldering iron out. Anyone know
> what the ideal voltage is for an OM2S(P)? or is there some internal
> regulation so that the gradual decrease in battery voltage over their
> useful life doesn't affect metering? >>
The silver oxide batteries run a little more than 1.5V /cell so the regulator
would need to provide around 3.1 to 3.15V. The service manuals for some of
the cameras specify voltages like fthis for test purposes when running tests
and also warn to be careful not to overvoltage the camera. So test your
regulator very carefully before hooking it up to the camera or you could land
up with a very dead camera and some costly rpeairs. As a precaution you could
put 6 ,1N4001 diodes in series across the output of the regulator to
eliminate any possibility of overvoltage in case of failure of your regulator.
Tim Hughes
Hi100@xxxxxxx
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