--- "Snorre A. Selmer" <[EMAIL PROTECTED]> wrote:
> > > Also, one of the things you will never really
> read
> > > about anywhere else is that a polarizer can
> result in
> > > some really unnatural "rainbow" color casts on
> > > windshields and windows of race cars that have
> > > plexiglas or Lexan(tm) parts on them.
<snip>
> Well, that can depend on your position and angle
> relative to the glass...
Nope, for the modern plex-Lex laminated windshields on
a lot of newer race cars, you'll see it no matter what
angle you view it from. Try sticking a few layers of
transparent tape on a grossly overexposed (ie, clear)
slide and look at it through a polarizer, and you'll
see what I'm talking about.
You get this bizzare riot of colors regardless of
polarizer setting and angle, reminiscent of the
crystal photomicrographs with polarized light. It's
the same thing, like a thin layer of oil floating on
water.
MadMat
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