Fear not, worthy campers. The Rollei 35's all
work well with alkaline batteries and the
difference in voltage is not sufficient to cause
a problem even with chrome emulsions, though the
drop-off rate is severe enough to warrant
frequent replacement. Silver oxide cells can be
used but these are smaller in dimension and you
probably would do well to use shimming carved
from scrap plastic with your Swiss Army knife or
the like. You can pick up the CRIS adapter or
use a hearing-aid battery, again with shimming,
and these will preserve the 6.35 volt output,
though those hearing aid batteries have a
viciously short life. And PX625 cells are still
available new as they remain in production in Red
China and the "bweela SSSR". FINDING them can be
a problem, but they are out there.
A more elegant solution would be to install a bridge circuit to allow the use of alkaline cells while reducing the voltage from 6.5 volts to 6.35, but this seems a bit of overkill. It CAN be done -- most European cameras using PX 625's came with such circuitry -- but it is a bit complex.
msmall@xxxxxxxxxxxx Cha robh bàs fir gun ghràs fir!
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