OD* indicates cutoff. According to OD1~OD6, the cutoff band transmittance ranges from 0.1~0.000001
OD number Cutoff band transmittance
OD1 = 0.1, i.e. 10%
OD2 = 0.01, i.e. 1%
OD3 = 0.001, i.e. 0.1%
OD4 = 0.0001, i.e. 0.01%
OD5 = 0.00001, i.e. 0.001%
OD6 = 0.000001, i.e. 0.0001%
OD number Cutoff band transmittance
OD1 = 0.1, i.e. 10%
OD2 = 0.01, i.e. 1%
OD3 = 0.001, i.e. 0.1%
OD4 = 0.0001, i.e. 0.01%
OD5 = 0.00001, i.e. 0.001%
OD6 = 0.000001, i.e. 0.0001%