Optical Glasses
Type Thickness 254 280 313 334 365 405 700
(mm)  (nm) (nm) (nm) (nm) (nm) (nm) (nm)
ZWB1 1 ≥50.0 ≥81.0 ≤1.0 ≤30.0
ZWB2 1 ≥38.0 ≥80.0 ≤8.0 ≤14.0
ZWB3 2 ≥50.0 ≥86.0 ≤28.8 ≤64.6