Sunglasses
Sliced Bread
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Spectrophotometric Lenses - Can They Reflect Off UV Light?
There are lots of different lens colours, aren't there? You can get brown or blue or pink. Did they serve a function? I snowboard and I know that when it's flat light, low light, I'm best to use a yellow or a light pink. But when it's super bright you use dark grey or dark brown. So how would we go about testing that? If I got a whole different range of sunglasses from cheap to more expensive, how would I be able to test whether they were conforming to these standards? We'll make that happen.
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