Archived posting to the Leica Users Group, 2000/05/14

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Subject: Re: [Leica] Long lens and filter question
From: John Collier <jbcollier@home.com>
Date: Sun, 14 May 2000 08:50:42 -0600
 
I have little personal experience with this but have read of it several
times. Dick Gilcreast mentioned this effect in his excellent LHSA Viewfinder
article on the 135/4.5 Hektor.

> From: Peter Niessen <niessen@ifh.de>
> 
> today I noticed that, when using the series VIII yellow filter on my 4.8/280
> Telyt, the infinity position had changed from infinity to a little
> above the 100m on the distance scale. The filter itself is approx 4mm
> thick. Is this result compatible with what others have observed?