Optical Glasses
Type Thickness 420 500 600 700 800 900 1000 1060 2200
(mm)  (nm) (nm) (nm) (nm) (nm) (nm) (nm) (nm) (nm)
GRB1 3 ≥85.0  45.0~70.0 ≤4.0
GRB2 2 365≥83.7 ≥83.7 ≥80.0 ≤61.9 ≤30.0 ≤9.1 ≤1.8
GRB3 2 365≥81.9 ≥81.0  ≥76.4  ≤50.6 ≤12.9 ≤2.8  ≤0.1 ≤0.9