Re: Interesting Night in Detroit

[P3D Allan Woods <allanwx@xxxxxxxxxx>]

> 
>I could tell when I projected it that it was depolarizing, but I didn't
>quite know why.  Afterward, the maker told me that he was using Lexan
>plastic instead of glass to protect the slide.  Moral of the story - learn
>from our experience and don't use Lexan instead of glass!  ;)
> 

Another approach which will even allow the projection of PolaColour
slides (which de-polarize light themselves) is to place the polarizing
filtres AFTER the slide in the light path, where they belong (!)

allanwx@xxxxxxxxxx


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