Archived posting to the Leica Users Group, 2001/11/20

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Subject: Re: [Leica] Leicaflex SL light meter and shutter
From: Hans-Peter.Lammerich@t-online.de
Date: Tue, 20 Nov 2001 11:46:42 +0100 (MET)

In my SL and Rollei 35S I am using new old stock 675 mercury buttons 
for hearing aids, with a nominal output of 1.4V. 675 1.4 zinc-air 
buttons are easily anf cheaply available, from pharmacies (yes, cheap 
even there), hearing aid specialists and even from my local photo 
dealer. 625 zinc-air buttons are speciality products only available 
from good mailorder houses. Perhaps the commercially available ones are 
jst 675s with a jacket. 

Most likely the smaller 675 deliver less current and have less capacity 
than 625, but I am hoping that this does not affect the meter. Same 
with the 0.5V off. 

Hans-Peter
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