Any questions?

Please do not hesitate to contact us. We are ready to offer assistance and advice.

+49 (0) 6131 - 580 89-0

Please use our Callback Service:

CALLBACK!

NG5, NG9, NG11 NEUTRAL DENSITY FILTERS

Neutral density filters NG5, NG9, NG11 (also known as grey glass or grey filters) provide an almost constant degree of transmission across a large spectrum.

Application areas:

  • Adjustment of illumination
  • Measurement and calibration
  • Verification of photometric properties

 

 

SCHOTT guaranteed values for neutral density filters

Type Reference thickness [mm] Ti (λ[nm]) Ti (λ[nm]) Ti (λ[nm])
NG5 1 0.56±0.03(405) 0.57±0.03(546) 0.62±0.03(694)
NG9 1 0.025±0.01(405) 0.04±0.02(546) 0.08±0.02(694)
NG11 1 0.76±0.02(405) 0.77±0.02(546) 0.79±0.02(694)

Please do not hesitate to contact us. We are ready to offer you assistance.

For further information about the desired filters please take notice of the current SCHOTT data sheet / catalogue.