On 23 Sep 2003 05:56:24 -0700, (Al M) wrote:

Hi,
We've toyed about making a pair nebula filter glasses at our shop.

Al, my understanding is that its important to keep many kinds of
filters perpendicular to the light cone axis. Izzat true, and if so,
how would this impact the goggle design?

Wayne Hoffman
33° 49" 17' N 117° 56" 41' W
"Don't Look Down"

http://home.pacbell.net/w6wlr/