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Re: [OM] Filter Quality

Subject: Re: [OM] Filter Quality
From: ll.clark@xxxxxxxxxxx
Date: Tue, 09 Sep 2003 21:40:16 -0400
In <000601c37739$a723d350$6401a8c0@danrich>, on 09/09/03 
   at 03:19 PM, "Danrich" <danrich@xxxxxxxxxxxxx> said:

>I don't have solid, documented evidence that B+W are superior, but I'm
>putting my dollars with a well-known, quality product.

The only quasi-systematic tests I've ever seen on filter quality were done
by Gary Reese. His findings were somewhat dismaying. I've often wondered
why some magazine didn't undertake collimator examination of a wide
variety of filter brands for plano-parallelism. It would be a relatively
low-cost project, and would settle endless discussion and well-aerated
claims about filter quality.

-- 
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les clark / edgewater, nj / usa
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