I have found in multiple tests, the weincell introduces a 1/2 to 3/4
stop error (underexposure).
John
Frank van Lindert wrote:
> On Mon, 10 Aug 1998 10:14:56 -0700 (PDT), Robert Maichin
> <rmaichin@xxxxxxxxx> wrote:
>
> >A simpler solution is to use Zinc-air hearing aid batteries with an
> >adapter ( I used an old px13 shell). Battery needs some venting for
> >air but gives 1.4 volts very consistently.
>
> ... but only for a very limited amount of time (few months at most).
> Therefore the Zinc-air (including the Wein cell) solution is a
> dangerous one: the battery can suddenly prove empty on critical and
> unexpected moments.
>
> Frank van Lindert
> Utrecht - netherlands
>
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