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Re: Sextants with Polarizing filters
From: Bill B
Date: 2006 Jan 26, 20:34 -0500
From: Bill B
Date: 2006 Jan 26, 20:34 -0500
> Maybe there's a rather important question being missed, about polarising > filters as fitted to > sextants. Maybe two. It would seem sun filters for photographing the sun are about 17 stops. Standard photo-grade filters might reduce it by 10-12 stops. Hopefully, sextant filters are of a high enough quality to make the needed reduction. Bill