LB120 Light Balancing Filter (Minus Red)
Light Balancing Filter (Minus Red) for machine-vision imaging — passes 400-700nm and blocks out-of-band light for repeatable contrast on the line.
Overview [ 01 ]
Used to raise color temperature by reducing unnatural red tones created by some sodium and mercury lighting. LB120 filters are placed over the camera change and shift the apparent color by 120 mired.
| nm | T % |
|---|---|
| 1100 | 44.27 |
| 1090 | 43.48 |
| 1080 | 42.65 |
| 1070 | 41.80 |
| 1060 | 40.90 |
| 1050 | 40.02 |
| 1040 | 39.10 |
| 1030 | 38.12 |
| 1020 | 37.13 |
| 1010 | 36.15 |
| 1000 | 35.17 |
| 990 | 34.20 |
| 980 | 33.23 |
| 970 | 32.25 |
| 960 | 31.32 |
| 950 | 30.35 |
| 940 | 29.41 |
| 930 | 28.52 |
| 920 | 27.64 |
| 910 | 26.75 |
| 900 | 25.96 |
| 890 | 25.23 |
| 880 | 24.51 |
| 870 | 23.90 |
| 860 | 23.18 |
| 850 | 22.65 |
| 840 | 22.18 |
| 830 | 21.75 |
| 820 | 21.37 |
| 810 | 21.03 |
| 800 | 20.79 |
| 790 | 20.61 |
| 780 | 20.50 |
| 770 | 20.46 |
| 760 | 20.49 |
| 750 | 20.60 |
| 740 | 20.81 |
| 730 | 21.11 |
| 720 | 21.52 |
| 710 | 21.86 |
| 700 | 21.99 |
| 690 | 21.47 |
| 680 | 20.19 |
| nm | T % |
|---|---|
| 670 | 18.46 |
| 660 | 17.36 |
| 650 | 17.11 |
| 640 | 17.92 |
| 630 | 19.64 |
| 620 | 21.39 |
| 610 | 22.59 |
| 600 | 23.29 |
| 590 | 24.50 |
| 580 | 28.87 |
| 570 | 33.55 |
| 560 | 35.46 |
| 550 | 34.67 |
| 540 | 33.85 |
| 530 | 35.32 |
| 520 | 38.55 |
| 510 | 41.63 |
| 500 | 44.51 |
| 490 | 47.03 |
| 480 | 49.96 |
| 470 | 53.11 |
| 460 | 56.24 |
| 450 | 59.85 |
| 440 | 63.34 |
| 430 | 67.07 |
| 420 | 70.65 |
| 410 | 78.13 |
| 400 | 80.76 |
| 390 | 79.39 |
| 380 | 75.20 |
| 370 | 73.43 |
| 360 | 68.32 |
| 350 | 59.05 |
| 340 | 43.81 |
| 330 | 21.87 |
| 320 | 4.91 |
| 310 | 0.29 |
| 300 | 0.01 |
| 290 | 0.00 |
| 280 | 0.00 |
| 270 | 0.00 |
| 260 | 0.00 |
| 250 | 0.00 |
Specifications [ 02 ]
Useful range400-700nm
Wavelength bandVisible
Min peak transmission≥81%
Mired shift-120
Tolerance+/- 5 Mired
Surface quality40/20
Mount & Size [ 03 ]
mm
Enter your lens part number to get the right filter size.