NG5

NG5

Neutral filters exhibit almost constant attenuation inside the visible spectrum. They appear grey.

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*product image is exemplary.

Spectral values guaranteed
τi (405nm) =0.56± 0,03
τi (546nm) =0.57± 0,03
τi (694nm) =0.62± 0,03
Download Data sheet
Glass type
 Article L
 W
 T
 Weight

Only values between 1 and 30 with one decimal place are allowed.

SCHOTT
NG5 - NG5
Thickness
1.0
Reflection factor
0.9230
λ [nm]
200 < 10⁻³
210 < 10⁻³
220 < 10⁻³
230 < 10⁻³
240 < 10⁻³
250 < 10⁻³
260 < 10⁻³
270 < 10⁻³
280 < 10⁻³
290 < 10⁻³
300 < 10⁻³
310 < 10⁻³
320 < 10⁻³
330 0.016
340 0.086
350 0.205
360 0.328
370 0.401
380 0.393
390 0.500
400 0.546
410 0.546
420 0.549
430 0.559
440 0.556
450 0.569
460 0.583
470 0.583
480 0.577
490 0.571
λ [nm]
500 0.568
510 0.567
520 0.568
530 0.572
540 0.576
550 0.577
560 0.575
570 0.568
580 0.561
590 0.555
600 0.555
610 0.558
620 0.560
630 0.560
640 0.558
650 0.556
660 0.558
670 0.564
680 0.577
690 0.589
700 0.599
710 0.604
720 0.604
730 0.600
740 0.595
750 0.587
760 0.580
770 0.571
780 0.561
790 0.551
λ [nm]
800 0.542
810 0.534
820 0.523
830 0.514
840 0.505
850 0.495
860 0.486
870 0.480
880 0.473
890 0.464
900 0.458
910 0.449
920 0.442
930 0.436
940 0.429
950 0.422
960 0.417
970 0.410
980 0.405
990 0.402
1,000 0.397
1,010 0.394
1,020 0.390
1,030 0.387
1,040 0.385
1,050 0.383
1,060 0.380
1,070 0.379
1,080 0.377
1,090 0.376
λ [nm]
1,100 0.379
1,110 0.381
1,120 0.381
1,130 0.382
1,140 0.382
1,150 0.383
1,160 0.383
1,170 0.384
1,180 0.386
1,190 0.388
1,200 0.390
1,250 0.407
1,300 0.440
1,350 0.468
1,400 0.500
1,450 0.532
1,500 0.560
1,550 0.576
1,600 0.586
1,650 0.590
1,700 0.590
1,750 0.593
1,800 0.595
1,850 0.600
1,900 0.610
1,950 0.619
2,000 0.630
2,050 0.641
2,100 0.650
2,150 0.657
λ [nm]
2,200 0.662
2,250 0.671
2,300 0.680
2,350 0.688
2,400 0.690
2,450 0.695
2,500 0.700
2,550 0.702
2,600 0.704
2,650 0.700
2,700 0.660
2,750 0.311
2,800 0.170
2,850 0.158
2,900 0.170
2,950 0.194
3,000 0.220
3,050 0.248
3,100 0.280
3,150 0.306
3,200 0.336
3,250 0.363
3,300 0.370
3,350 0.351
3,400 0.290
3,450 0.217
3,500 0.150
3,550 0.101
3,600 0.070
3,650 0.059
λ [nm]
3,700 0.071
3,750 0.108
3,800 0.140
3,850 0.158
3,900 0.147
3,950 0.118
4,000 0.100
4,050 0.089
4,100 0.095
4,150 0.100
4,200 0.100
4,250 0.094
4,300 0.078
4,350 0.055
4,400 0.040
4,450 0.025
4,500 0.016
4,550 0.010
4,600 0.006
4,650 0.003
4,700 0.002
4,750 0.001
4,800 < 10⁻³
4,850 < 10⁻³
4,900 < 10⁻³
4,950 < 10⁻³
5,000 < 10⁻³
5,050 < 10⁻³
5,100 < 10⁻³
5,150 < 10⁻³
Reflection factor
Pd 0.923
Reference thickness
d [mm] 1
Spectral values guaranteed
τi (405nm) =0.56± 0,03
τi (546nm) =0.57± 0,03
τi (694nm) =0.62± 0,03
Refractive Indices n
nF (486.1 nm) = 1.506
nh (404.7 nm) = 1.514
ng (435.8 nm) = 1.511
ns (852.1 nm) = 1.493
ne (546.1 nm) = 1.502
nd (587.6 nm) = 1.500

Colorimetric evaluation

Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
Density
p [g/cm3] 2.4159
Bubble content
Bubble class 2
Transformation temperature
Tg [°C] 474
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class 1
SR class 3.2
AR class 2.0
Thermal expansion
α-30°C/+70°C [10-6/K] 6.6
α20°C/300°C [10-6/K] 7.11
α20°C/200°C [10-6/K]
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