25 Lens tinting POLAVISION Protection: UV400 Marking: 5-3.1 Transmission: approx. 14 % Standards: EN 166, EN 172 Reduction of irritating surface reflection by filtering scattered light BROWN Protection: UV400 Marking: 5-2.5 Transmission: approx. 20 % Standards: EN 166, EN 172 Protection against natural glare with signal colour recognition and increased contrast effect SILVER MIRROR 12 % Protection: UV400 Marking: 5-3.1 Transmission: approx. 12 % Standards: EN 166, EN 172 Protection from both highly artificial light and natural glare conditions SILVER MIRROR 53 % Protection: UV400 Marking: 5-1.7 Transmission: approx. 53 % Standards: EN 166, EN 172 Protection in changing light conditions GREY 14 % Protection: UV400 Marking: 5-3.1 Transmission: approx. 14 % Standards: EN 166, EN 172 Protection against natural glare with signal colour recognition GREY 23 % Protection: UV400 Marking: 5-2.5 Transmission: approx. 23 % Standards: EN 166, EN 172 Protection against natural glare with signal colour recognition 8 – 18 % transmission 18 – 29 % transmission 43 – 58 % transmission tint with glare protection recommended tint with contrast adjustment recommended tint with contrast adjustment not necessary
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