If the diode is not used (and no battery box ring added) then only the
alkaline battery will fit properly, and they may have simply adjusted
the meter for the extra voltage or added a resistor to the meter
circuit.
John
Charles Loeven wrote:
>
> Dr. John H. wrote,
>
> >Modifying the OM-1 meter with the proper diode gives you a dead on
> > reading at all light levels if used with the silver oxide battery. This
> > mod essentially builds the MR9 into the camera.
>
> John,
> Does that mean that if the conversion is done with out the diode,
> silver oxide should NOT be used?
> I had my OM1 converted several years ago and the shop
> (Southern Photo, in St Pete FL) can not tell me on the phone, what was done.
> Their records don't go back that far. (?)
> The 625u battery seems to work just fine after several months with a new
> one.
> At the time I did not know the difference so I didn't ask.
>
> Charlie L.
>
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