Ni090 Neutral Density Filter

Ni090 Neutral Density Filters exhibit uniform attenuation over the entire visible and near-IR range that most industrial CCD/CMOS cameras are sensitive within.

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Description

Ni090 Neutral Density Filter

Ni090 filters exhibit uniform attenuation over the entire visible and near-IR range that most industrial CCD/CMOS cameras are sensitive within. The actual percent transmission averages a nearly constant 12.5%, while reflectivity in the visible portion of the spectrum averages 30%. These filters include identical male and female threads on either end so that they can be stacked with other ND filters to achieve various optical densities.

  • Useful Range : 400-1100nm
  • Optical Density : 0.9
  • Transmission: 12.50%
  • Tolerance : +/- 1.50%
  • Surface Quality : 40/20

 

Ni Series – Broad Spectrum; VIS/NIR

  • Low reflectivity filter effective from 400-1100nm
  • Available in optical densities ranging from 0.3-1.2
  • Coated on low-expansion, heat-resistant Borofloat glass

Neutral Density Filters serve as “sunglasses” for your system and can be used with monochrome or color cameras. Designed to reduce light intensity neutrally over a specific wavelength range without affecting image color or contrast.

  • Available in a variety of optical densities
  • Reduce light intensity while maintaining a wide aperture and shallow depth of field
  • Minimize pixel saturation
  • Can be stacked with other Neutral Density Filters to test various optical densities
  • Exceptional surface quality; 40/20 scratch/dig

 

Ni060 Neutral Density Filter Applications

Applications include imaging in intense lighting situations (i.e. molten metal and welding) outdoor aerial imaging and photography. Neutral Density Filters help reduce shutter speed to create blur, preventing a “jello” effect in aerial imaging.

 

Mount & Size Options

In-stock, ready-to-ship Neutral Density Filters are available in Threaded Mounts, sizes M13.25 to M105; 25.4 C-Mount; Slip Mounts; or Unmounted. Custom shapes and sizes are available.

wavelength
(nm)
transmission
(%)
1100 11.49
1090 11.51
1080 11.54
1070 11.56
1060 11.59
1050 11.62
1040 11.65
1030 11.68
1020 11.71
1010 11.75
1000 11.78
990 11.81
980 11.84
970 11.88
960 11.92
950 11.96
940 11.99
930 12.03
920 12.06
910 12.10
900 12.15
890 12.19
880 12.23
870 12.28
860 12.31
850 12.35
840 12.39
830 12.43
820 12.48
810 12.53
800 12.58
790 12.64
780 12.69
770 12.74
760 12.79
750 12.83
740 12.88
730 12.92
wavelength
(nm)
transmission
(%)
720 12.94
710 12.97
700 12.98
690 12.99
680 13.01
670 13.02
660 13.01
650 13.02
640 12.99
630 12.97
620 12.92
610 12.87
600 12.81
590 12.75
580 12.67
570 12.59
560 12.50
550 12.39
540 12.28
530 12.16
520 12.02
510 11.90
500 11.75
490 11.61
480 11.45
470 11.30
460 11.18
450 11.04
440 10.91
430 10.79
420 10.66
410 10.56
400 10.47
390 10.41
380 10.36
370 10.35
360 10.34
350 10.33