Dye, Diode and HeNe, Ruby Laser is a laser safety lens made of purple BG3 glass filter. It is cut and mounted into model 66 frame. The temple bars are fully adjustable, ratcheting up and down and telescoping for a perfect fit. The large lens design ensures maximum safety and visibility.
OD>6+ from 512-680nm
OD>7+ from 518-677nm
VLT = 14%
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