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    Re: EBBCO/filters
    From: Michael Daly
    Date: 2007 Nov 22, 02:27 -0500

    Peter Fogg wrote:
    
    > I have doubts about that, given what
    > generally low quality scopes they attach to the things. I suspect they go
    > for sufficient neutral (more or less neutral, that is) density and that's
    > that.  To expect more could be unrealistic.
    
    Given that a 4 1/2" x 5 1/4" glass shade is only $2.10 retail at the
    local welding shop, I don't think that using a few one-square-inch
    shades (at 10 cents per) on a sextant is particularly extravagant.  In
    polycarbonate, they run about 12 cents per sq. in., retail.  Still cheap
    and quite tough.
    
    Mike
    
    
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