(E-Mail Removed) wrote:
> Regarding seeeing the info in the LEDs (?) for the instruments and the
> radio, I could not see it through my sunglasses. I then bought a pair of
> driving sunglasses which have lenses that are not as dark at the bottom as
> they are at the middle and top of the lenses.
You missed the point. All polaroid sunglasses have a plane of
polarization which is vertical. Light reflecting off a highway or other
horizontal surface is polarized horizontal and the glasses don't pass
it. The digital display on Volvo radios is also polarized horizontal.
If you rotate the glasses 90 degrees you can see it fine. It has nothing
to do with the darkness of polaroid lenses.
The advantage of polaroid lenses is that it selectively eliminates the
reflection off the inside of the windshield if you light colored dash so
that you can see out the windshield.
--
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Cheers, Steve Henning in Reading, PA, USA
Owned '67,'68,'71,'74,'79,'81,'87,'93,'95 & '02 Volvos.
The '67,'74,'79,'87,'95 and '02 through European Delivery.
http://home.earthlink.net/~rhodyman/volvo.html