DB850 Dual Bandpass Filter Visible + 850nm NIR
Dual Bandpass Filter Visible + 850nm NIR for machine-vision imaging — passes 405-645nm, 835-875nm and blocks out-of-band light for repeatable contrast on the line.
Overview [ 01 ]
Dual Bandpass Filter Visible + 850nm NIR
Specifications [ 02 ]
Useful range405-645nm, 835-875nm
Wavelength bandVisible;IR
FWHM250nm, 50nm
Min peak transmission≥90%
Tolerance+/- 20nm VIS, +/- 15nm NIR
Surface quality40/20
Mount & Size [ 03 ]
25.4® C-Mount
mm
Enter your lens part number to get the right filter size.
| nm | T % |
|---|---|
| 1100 | 0.65 |
| 1090 | 0.49 |
| 1080 | 0.42 |
| 1070 | 0.44 |
| 1060 | 0.60 |
| 1050 | 1.02 |
| 1040 | 1.46 |
| 1030 | 1.35 |
| 1020 | 0.73 |
| 1010 | 0.30 |
| 1000 | 0.14 |
| 990 | 0.09 |
| 980 | 0.07 |
| 970 | 0.07 |
| 960 | 0.08 |
| 950 | 0.10 |
| 940 | 0.15 |
| 930 | 0.28 |
| 920 | 0.67 |
| 910 | 2.18 |
| 900 | 6.51 |
| 890 | 20.53 |
| 880 | 60.88 |
| 870 | 89.53 |
| nm | T % |
|---|---|
| 860 | 93.97 |
| 850 | 91.74 |
| 840 | 89.05 |
| 830 | 39.65 |
| 820 | 7.53 |
| 810 | 1.85 |
| 800 | 0.77 |
| 790 | 0.52 |
| 780 | 0.55 |
| 770 | 0.90 |
| 760 | 1.11 |
| 750 | 0.49 |
| 740 | 0.25 |
| 730 | 0.23 |
| 720 | 0.37 |
| 710 | 0.75 |
| 700 | 0.83 |
| 690 | 0.71 |
| 680 | 1.03 |
| 670 | 3.64 |
| 660 | 19.05 |
| 650 | 71.61 |
| 640 | 92.12 |
| 630 | 94.02 |
| nm | T % |
|---|---|
| 620 | 93.61 |
| 610 | 92.89 |
| 600 | 93.51 |
| 590 | 94.42 |
| 580 | 94.19 |
| 570 | 94.48 |
| 560 | 94.71 |
| 550 | 94.61 |
| 540 | 92.73 |
| 530 | 93.93 |
| 520 | 94.61 |
| 510 | 94.52 |
| 500 | 94.51 |
| 490 | 94.32 |
| 480 | 92.27 |
| 470 | 93.87 |
| 460 | 93.30 |
| 450 | 93.44 |
| 440 | 92.61 |
| 430 | 87.13 |
| 420 | 88.39 |
| 410 | 57.68 |
| 400 | 22.20 |
| 390 | 29.26 |
| nm | T % |
|---|---|
| 380 | 10.82 |
| 370 | 1.27 |
| 360 | 0.02 |
| 350 | 0.00 |