Archived posting to the Leica Users Group, 1999/09/27

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Subject: Re: [Leica] Re: Focus woes
From: Mark Rabiner <mrabiner@concentric.net>
Date: Mon, 27 Sep 1999 22:55:19 -0700
 
Jim Brick wrote:
> 
> Dave,
> 
> All matt screens are completely compatible with ALL lenses. The only screen
> that has a special purpose is the clear screen, used for aerial image focus
> (microscopes I think).
> 
> Jim
> 
It's the centers of them (am I right Jim) that vary. 
A split image or various coarsenesses center spots can be optimized for certain
focal lengths and lenses.
Mark Rabiner