BN485 (Limited) Narrow Blue Bandpass Filter
(Limited) Narrow Blue Bandpass Filter for machine-vision imaging — passes 480-490nm and blocks out-of-band light for repeatable contrast on the line.
Overview [ 01 ]
(Limited) Narrow Blue Bandpass Filter
Specifications [ 02 ]
Useful range480-490nm
Wavelength bandVisible
Center wavelength488nm
FWHM35nm
Min peak transmission≥85%
Tolerance+/- 10nm
Surface quality40/20
Thickness1mm
Mount & Size [ 03 ]
25.4® C-Mount
mm
Enter your lens part number to get the right filter size.
| nm | T % |
|---|---|
| 1100 | 0.23 |
| 1090 | 0.28 |
| 1080 | 0.48 |
| 1070 | 0.52 |
| 1060 | 0.26 |
| 1050 | 0.15 |
| 1040 | 0.16 |
| 1030 | 0.28 |
| 1020 | 0.55 |
| 1010 | 0.36 |
| 1000 | 0.17 |
| 990 | 0.13 |
| 980 | 0.16 |
| 970 | 0.22 |
| 960 | 0.27 |
| 950 | 0.26 |
| 940 | 0.30 |
| 930 | 0.28 |
| 920 | 0.23 |
| 910 | 0.40 |
| 900 | 0.33 |
| 890 | 0.30 |
| 880 | 0.27 |
| 870 | 0.27 |
| nm | T % |
|---|---|
| 860 | 0.32 |
| 850 | 0.52 |
| 840 | 0.48 |
| 830 | 0.21 |
| 820 | 0.10 |
| 810 | 0.07 |
| 800 | 0.06 |
| 790 | 0.07 |
| 780 | 0.14 |
| 770 | 0.29 |
| 760 | 0.22 |
| 750 | 0.13 |
| 740 | 0.08 |
| 730 | 0.12 |
| 720 | 0.31 |
| 710 | 0.68 |
| 700 | 0.27 |
| 690 | 0.15 |
| 680 | 0.16 |
| 670 | 0.18 |
| 660 | 0.24 |
| 650 | 0.18 |
| 640 | 0.08 |
| 630 | 0.04 |
| nm | T % |
|---|---|
| 620 | 0.02 |
| 610 | 0.02 |
| 600 | 0.01 |
| 590 | 0.02 |
| 580 | 0.02 |
| 570 | 0.03 |
| 560 | 0.03 |
| 550 | 0.04 |
| 540 | 0.05 |
| 530 | 0.12 |
| 520 | 0.46 |
| 510 | 3.38 |
| 500 | 33.00 |
| 490 | 84.43 |
| 480 | 80.67 |
| 470 | 66.27 |
| 460 | 32.92 |
| 450 | 3.41 |
| 440 | 0.03 |
| 430 | 0.00 |
| 420 | 0.00 |
| 410 | 0.00 |
| 400 | 0.00 |
| 390 | 0.00 |
| nm | T % |
|---|---|
| 380 | 0.00 |
| 370 | 0.00 |
| 360 | 0.00 |
| 350 | 0.00 |