Optical Glasses
Type Thickness 400 700 800 860 900 1100
(mm)  (nm) (nm) (nm) (nm) (nm) (nm)
HWB1 1 ≤14.0 ≤6.0 ≤30.0 ≥85.5
HWB3 1 ≤0.5 ≤1.0 ≤37.0 ≥75.0
HWB4 1 ≤0.1 ≤5.0 ≤38.0 ≥75.0