What’s the difference between an acrylic and polycarbonate lens?

Given its weather resistance and clarity, acrylic has long been the most widely used material for lenses. However, polycarbonate is much less likely to shatter, chip or crack upon impact and can withstand higher exposure to heat. Polycarbonate lenses are given a special coating to improve abrasion, UV and chemical resistance; still, to prolong the life of your lenses, it is recommended that you only clean them with a mild detergent and soft cotton cloth.

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