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Is there anyone here reading this page that can tell me how much light makes it through the lenses of these Zoe sunglasses? I know it's usually measured as a percentage.
Did you know, by the way, that there are sunglasses that are used for the ancient sport of glacier climbing and their light transmission is something like 7%? You can't really use those for anything else, except maybe for watching an eclipse. Can they be used for that? |
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