LP645 Dark Red Longpass Filter
Dark Red Longpass Filter for machine-vision imaging — passes 650-1100nm and blocks out-of-band light for repeatable contrast on the line.
Overview [ 01 ]
Dark Red Longpass Filter
Specifications [ 02 ]
Useful range650-1100nm
Wavelength bandVisible
Cut-on (50%)645nm
Min peak transmission≥90%
Tolerance+/- 10nm
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 | 96.20 |
| 1090 | 96.45 |
| 1080 | 96.63 |
| 1070 | 96.86 |
| 1060 | 97.06 |
| 1050 | 97.21 |
| 1040 | 97.41 |
| 1030 | 97.57 |
| 1020 | 97.72 |
| 1010 | 97.89 |
| 1000 | 98.03 |
| 990 | 98.15 |
| 980 | 98.25 |
| 970 | 98.36 |
| 960 | 98.50 |
| 950 | 98.55 |
| 940 | 98.63 |
| 930 | 98.63 |
| 920 | 98.82 |
| 910 | 98.81 |
| 900 | 98.85 |
| 890 | 98.96 |
| 880 | 98.90 |
| 870 | 98.96 |
| nm | T % |
|---|---|
| 860 | 99.07 |
| 850 | 98.76 |
| 840 | 99.03 |
| 830 | 98.96 |
| 820 | 99.14 |
| 810 | 99.02 |
| 800 | 98.78 |
| 790 | 99.22 |
| 780 | 99.20 |
| 770 | 99.15 |
| 760 | 98.87 |
| 750 | 98.76 |
| 740 | 98.82 |
| 730 | 98.83 |
| 720 | 98.74 |
| 710 | 98.60 |
| 700 | 98.50 |
| 690 | 98.10 |
| 680 | 97.38 |
| 670 | 95.26 |
| 660 | 90.54 |
| 650 | 76.06 |
| 640 | 42.36 |
| 630 | 7.13 |
| nm | T % |
|---|---|
| 620 | 0.23 |
| 610 | 0.07 |
| 600 | 0.07 |
| 590 | 0.06 |
| 580 | 0.04 |
| 570 | 0.01 |
| 560 | 0.01 |
| 550 | 0.00 |
| 540 | 0.00 |
| 530 | 0.00 |
| 520 | 0.00 |
| 510 | 0.00 |
| 500 | 0.00 |
| 490 | 0.01 |
| 480 | 0.00 |
| 470 | 0.00 |
| 460 | 0.00 |
| 450 | 0.00 |
| 440 | 0.00 |
| 430 | 0.00 |
| 420 | 0.00 |
| 410 | 0.00 |
| 400 | 0.00 |
| 390 | 0.00 |
| nm | T % |
|---|---|
| 380 | 0.00 |
| 370 | 0.01 |
| 360 | 0.00 |
| 350 | 0.00 |