Archived posting to the Leica Users Group, 1996/12/16

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Subject: Re: Leica meter MR-4
From: bholmes@frii.com (Ben Holmes)
Date: Mon, 16 Dec 1996 10:12:22 -0700 (MST)
 
>
>If you have access to a meter that gives you readings that you trust (say
>your Pentax spot meter), why not adjust the screw on the MR-4 until it
>agrees with the Pentax when pointing at a uniform light source?
>

I'm pretty sure that analog meters are not linear along their range. The
screw in the back is a "zeroing" adjustment. If it is set while the meter is
registering any value other than 0 it would most likely be wrong at values
above or below the measured value. 

ben