Archived posting to the Leica Users Group, 2001/02/26

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Subject: Re: [Leica] Lense testing...
From: "Phong" <phong@doan-ltd.com>
Date: Mon, 26 Feb 2001 15:29:48 -0500

"Austin Franklin" <austin@darkroom.com> wrote in part:
> I decided to find out what the REAL effects of a UV filter are on image
> degradation.  I arranged for an afternoon of test time at a high end optical
> testing facility in Cambridge MA
> ...
> If anyone has experience with doing such testing and has some CONSTRUCTIVE
> input on the testing procedure, I welcome it.  
> ...

Austin,
I take it that you will make sure to test for light sources (different intensity,
different angles) in some of the pictures.   Have fun with the project !

- - Phong