The Ruby Filter is a laser safety lens made of a Teal polycarbonate lens. It is cut and mounted into model 808. The 808 is an unifit nylon frame, with a wraparound design. Light weight and durable, the frame also features rubber nose pads.
OD>4+ from 690-691nm
OD>7+ from 692-714nm
VLT = 33.8%
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