Material:
Schott NG glass or equivalent
Dimensional Tolerance:
+0/-0.020”
Surface Polishing:
Commercial polish
Surface Quality:
60-40 scratch-dig
Optical Density
T (%)
2”x2” square
0.04
91.2
NA-20S-0.04
0.1
79.43
NA-20S-0.1
0.2
63.1
NA-20S-0.2
0.3
50.12
NA-20S-0.3
0.4
39.81
NA-20S-0.4
0.5
31.62
NA-20S-0.5
0.6
25.12
NA-20S-0.6
1.0
10.0
NA-20S-1.0
2.0
1.00
NA-20S-2.0
3.0
NA-20S-3.0
4.0
0.01
NA-20S-4.0
Absorptive Neutral Density Filter Set (NAS-20S)
Part Number for Set NAS-20S NA-20S-0.1 NA-20S-0.2 NA-20S-0.3 NA-20S-0.4 NA-20S-0.5 NA-20S-0.6 NA-20S-1.0 NA-20S-2.0 NA-20S-3.0 NA-20S-4.0
Part Number for Set
NAS-20S
