Absorptive Neutral Density Filters & Sets (NA, NAS)
   Graph / Diagram

Specifications

 

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

0.1

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

 

 

 

 

  • Filter set includes 10 filters with hardwood case.