The Alexandrite/Diode High Light Transmission is a laser safety lens made of blue BG38 glass filter. It is cut and mounted into model 808 frame. The 808 is a unifit nylon frame, with a wraparound design. Light weight and durable, the frame also features rubber nose pads.
OD 2+ 632nm
OD 3+ 650-690nm
OD 6+ 690-1000nm
VLT = Excellent (Scroll Down For Full Specifications)