Archived posting to the Leica Users Group, 1998/05/11

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Subject: Re: [Leica] Eyepiece for astigmatism
From: Dennis Painter <dwp@deltanet.com>
Date: Mon, 11 May 1998 22:08:54 -0700
 
Dennis Painter wrote:

Found the answer to the first! the manual states its -0.5, now, anyone
know the answer to the second question?

Dennis

> 
> LEICAMAN56 wrote:
> 
> > The M viewfinder eyepiece has a -.5 diopter correction from the factory.  Take
> > this into account when you have your correction lens made.
> >
> > Bill Rosauer
> 
> Do you have a source for this? I always thought the M finder was 0.0.
> If not, and I have a +1.0 Leica correction lens, does the final
> correction equal +1.0 or is that the correction lens strength only.
> 
> Dennis
>