h a l f b a k e r yThis ain't rocket surgery.
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Real automatic sunglasses take a while to adjust,
so this could actually be useful. |
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In circular sun-glasses, you could rotate one
linear polarizing filter against another. |
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Would be very useful. Polarising glasses have an annoying habit of turning dark whenever it's even slightly light, which makes you look daft in the winter. As Jutta points out they also take time to adjust so some sort of manual adjustment mechanism would be far better. |
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Like those "flip" shades? |
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