Key Features Lens material and its properties
The Vanguard RX is a polycarbonate lens, a polymer that guarantees a unique combination of resistance toughness and lightness.
Lightness Due to the polycarbonate properties, Vanguard RX is significantly thinner than regular lenses and guarantees less error from parallax and a wider visual field.
Resistance Vanguard RX is scratch and impact resistant — mechanical strength F — and high level of protection: up to 30 times more impact resistant than regular CR39 lenses and 60 times more than mineral glass lenses.
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