Product Description

Material: Optical Neutral Density Glass
Flatness: 2l per 25 mm
Surface Quality: 80/50
Parallelism: 3 min
Dimension Tolerance: ± 0.2mm
Optical Density Tolerance: ±5%
Optical Density: D=Log(1/T)
Transmittance: T

Optical Density Transmission Thickness(mm) Appr. Ø25mm Part No.
0.04 91.2% 2.0 NDG0004
0.1 79.4% 1.9 NDG0010
0.2 63.1% 2.0 NDG0020
0.3 50.1% 2.3 NDG0030
0.4 39.8% 3.0 NDG0040
0.5 31.6% 1.8 NDG0050
0.8 15.8% 2.3 NDG0080
1.0 10% 2.0 NDG0100
2.0 1% 1.5 NDG0200
3.0 0.1% 2.0 NDG0300