Helium Neon Alignment - Model 300

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The Helium Neon Aligment Filter is a laser safety lens made of a blue/teal polycarbonate lens. It is cut and mounted into the 300 black nylon frame. The frame features extendable t emple bars to give you that perfect fit.OD>5+ from 190-380nmOD>2+ from 633nmVLT = 69% Show more