Archived posting to the Leica Users Group, 2001/11/19

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Subject: Re: :[Leica] Leicaflex SL light meter and shutter
From: Ray Moth <ray_moth@yahoo.com>
Date: Mon, 19 Nov 2001 23:02:19 -0800 (PST)

Dragi Anevski wrote: 

<snip> ...
1. The light meter seems to show wrong values (it's off about 3 steps).

Is this due to the batteries used (alkaline) when  it should be
mercury, and can this make the meter function improperly or is the
meter broken?
2. Is it possible to adjust the meter for the newer alkaline batteries 
and in that case is that an expensive operation?
  ... <snip>
======================================================================
Dragi,

I believe the inaccuracy in the SL meter could well be caused by using
alkaline batteries. They're unlikely to damage the meter but, because
the voltage drops as they are used up, they will cause it to give
increasingly inaccurate readings. As a general rule, you can't get
satisfactory performance from alkaline batteries in cameras. 

Silver oxide batteries, e.g. SR44, which are the same physical size as
alkaline button cells, are the answer. They maintain a constant voltage
over their lifetime. You can get a conversion unit from mercury to
silver oxide cells from CrisCam, see URL http://www.criscam.com/

Regards,

=====
Ray

"The trouble with resisting temptation is
 you never know when you'll get another chance!"

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