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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