BP485 Absorptive Visible Bandpass/Near-IR Block Filter
Absorptive Visible Bandpass/Near-IR Block Filter for machine-vision imaging — passes 380-585nm and blocks out-of-band light for repeatable contrast on the line.
Overview [ 01 ]
BP485 is commonly used as an internal infrared blocking filter in cameras. When working with any camera that has had its internal filter removed, a mounted BP485 filter can also be considered in order to, when desired, allow it to once again work like the unmodified camera. BP485 is A/R coated on both sides and its spectral response in the blue portion of the spectrum is excellent compared to other absorptive IR blocking filters.
| nm | T % |
|---|---|
| 1100 | 2.82 |
| 1090 | 2.61 |
| 1080 | 2.40 |
| 1070 | 2.20 |
| 1060 | 2.02 |
| 1050 | 1.84 |
| 1040 | 1.68 |
| 1030 | 1.54 |
| 1020 | 1.40 |
| 1010 | 1.28 |
| 1000 | 1.17 |
| 990 | 1.08 |
| 980 | 1.01 |
| 970 | 0.92 |
| 960 | 0.85 |
| 950 | 0.81 |
| 940 | 0.73 |
| 930 | 0.70 |
| 920 | 0.69 |
| 910 | 0.64 |
| 900 | 0.67 |
| 890 | 0.71 |
| 880 | 0.61 |
| 870 | 0.64 |
| 860 | 0.66 |
| 850 | 0.70 |
| 840 | 0.76 |
| 830 | 0.82 |
| 820 | 0.94 |
| 810 | 1.07 |
| 800 | 1.26 |
| 790 | 1.48 |
| 780 | 1.80 |
| 770 | 2.17 |
| 760 | 2.75 |
| 750 | 3.48 |
| 740 | 4.48 |
| 730 | 5.73 |
| 720 | 7.41 |
| 710 | 9.55 |
| 700 | 12.24 |
| 690 | 15.60 |
| 680 | 19.63 |
| nm | T % |
|---|---|
| 670 | 24.70 |
| 660 | 29.73 |
| 650 | 36.12 |
| 640 | 42.85 |
| 630 | 49.94 |
| 620 | 57.33 |
| 610 | 64.45 |
| 600 | 71.37 |
| 590 | 77.52 |
| 580 | 83.02 |
| 570 | 87.71 |
| 560 | 91.28 |
| 550 | 93.92 |
| 540 | 95.78 |
| 530 | 96.98 |
| 520 | 97.77 |
| 510 | 98.11 |
| 500 | 98.11 |
| 490 | 97.76 |
| 480 | 97.48 |
| 470 | 97.15 |
| 460 | 96.89 |
| 450 | 96.18 |
| 440 | 96.20 |
| 430 | 96.06 |
| 420 | 95.42 |
| 410 | 93.82 |
| 400 | 90.46 |
| 390 | 83.93 |
| 380 | 73.52 |
| 370 | 59.96 |
| 360 | 44.91 |
| 350 | 31.19 |
| 340 | 19.59 |
| 330 | 10.18 |
| 320 | 3.38 |
| 310 | 0.26 |
| 300 | 0.01 |
| 290 | 0.00 |
| 280 | 0.00 |
| 270 | 0.00 |
| 260 | 0.00 |
| 250 | 0.00 |
Specifications [ 02 ]
Useful range380-585nm
Wavelength bandVisible
FWHM285nm
Min peak transmission≥90%
ToleranceTypical
Surface quality40/20
Mount & Size [ 03 ]
25.4® C-Mount
mm
Enter your lens part number to get the right filter size.