Just what the tin says, how much does a frontside mirror reduce light transmittance with regard to sunglasses? I've read its 20-30%, but I thought I'd ask the hivemind here to be sure that is correct.
How Much Does a Frontside Mirror Reduce Light Transmittance With Regard To Sunglasses
How Much Does a Frontside Mirror Reduce Light Transmittance With Regard To Sunglasses
vendredi 11 décembre 2015
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