Bandpass filter
Bandpass filters are the backbone of modern inspection systems. They ensure that only the light relevant to the analysis reaches the sensor. The main areas of application include:
- Machine Vision & Factory Automation: Optimizing Contrast in Inspection Processes.
- Security & Surveillance: License Plate Recognition and Nighttime Surveillance.
- Medicine & Life Sciences: Fluorescence microscopy and laboratory analyses.
- Agriculture & Aerial Imagery: Vegetation analysis (e.g., NDVI) and aerial inspections.
Mounting Options & Sizes
- Custom solutions: Custom shapes and sizes are available upon request.
- Threaded sockets: Standard sizes from M13.25 to M105.
- C-Mount: Classic 25.4® mount for cameras.
- Slip mounts & Unmounted: For custom solutions or for insertion.
Available options
Bi-series – Narrow interference bandwidth
These filters are extremely precise (with a bandwidth often as narrow as 25–35 nm) and ideal for separating discrete wavelengths.
| Item No. | Description | Usable area | Full width at half maximum (FWHM) |
| Bi350 | Near-UV Interference Bandpass | 344–358 nm | 25 nm |
| Bi385 | Near-UV Interference Bandpass | 370–390 nm | 25 nm |
| Bi405 | Violet Interference Bandpass | 398–412 nm | 25 nm |
| Bi470 | Blue Interference Bandpass | 462–478 nm | 25 nm |
| Bi505 | Cyan Interference Bandpass | 497–513 nm | 25 nm |
| Bi525 | Green Interference Bandpass | 518–533 nm | 25 nm |
| Bi532 | Green Interference Bandpass | 525–540 nm | 25 nm |
| Bi590 | Orange Interference Bandpass | 583–598 nm | 25 nm |
| Bi632 | Red Interference Bandpass | 627–640 nm | 25 nm |
| Bi635 | Bright red interference bandpass | 630–645 nm | 25 nm |
| Bi660 | Dark red interference bandpass | 650–670 nm | 30 nm |
| Bi685 | Dark red interference bandpass | 675–692 nm | 25 nm |
| Bi725 | "Red Edge" Bandpass | 717–732 nm | 25 nm |
| Bi750 | NIR Interference Bandpass | 740–765 nm | 30 nm |
| Bi780 | NIR Interference Bandpass (Limited) | 765–795 nm | 35 nm |
| Bi808 | NIR Interference Bandpass | 798–820 nm | 35 nm |
| Bi830 | NIR Interference Bandpass | 810–850 nm | 50 nm |
| Bi832 | NIR Interference Bandpass | 822–846 nm | 35 nm |
| Bi850 | NIR Interference Bandpass | 845–860 nm | 40 nm |
| Bi880 | NIR Interference Bandpass (Limited) | 870–890 nm | 30 nm |
| Bi905 | NIR Interference Bandpass | 895–915 nm | 30 nm |
| Bi940 | NIR Interference Bandpass | 930–952 nm | 32 nm |
| Bi1300 | SWIR bandpass | 1290–1310 nm | 35 nm |
| Bi1450 | SWIR bandpass | 1440–1460 nm | 35 nm |
| Bi1550 | SWIR bandpass | 1540–1560 nm | 35 nm |
BP Series – Wide Range
Gaussian light distribution for maximum light output in LED lighting.
| Item No. | Description | Usable area | Full width at half maximum (FWHM) |
| BP250 | Low- to near-UV bandpass | 240–260 nm | 45 nm |
| BP324 | Near-UV bandpass | 290–365 nm | 105 nm |
| BP340 | Near-UV bandpass | 315–365 nm | 80 nm |
| BP365 | Near-UV bandpass | 335–385 nm | 80 nm |
| BP450 | Indigo Bandpass | 425–470 nm | 60 nm |
| BP470 | Blue Bandpass | 425–495 nm | 85 nm |
| BP485 | Absorptive VIS bandpass / NIR block | 380–585 nm | 285 nm |
| BP500 | Green-Blue Bandpass | 440–555 nm | 248 nm |
| BP505 | Cyan bandpass | 485–550 nm | 80 nm |
| BP525 | Light green bandpass filter | 500–555 nm | 80 nm |
| PE530 | Photopic bandpass | 495–565 nm | 125 nm |
| BP550 | NIR/UV-blocking visible bandpass | 405–690 nm | 300 nm |
| BP590 | Orange bandpass | 560–600 nm | 65 nm |
| BP610 | Green-Red Bandpass | 520–690 nm | 190 nm |
| BP635 | Bright red bandpass filter | 615–645 nm | 60 nm |
| BP660 | Dark red bandpass filter | 640–680 nm | 60 nm |
| BP695 | NIR bandpass | 680–720 nm | 70 nm |
| BP735 | NIR bandpass | 715–780 nm | 90 nm |
| BP800 | NIR bandpass | 745–950 nm | 320 nm |
| BP850 | NIR bandpass | 820–910 nm | 160 nm |
| BP880 | NIR bandpass | 845–930 nm | 130 nm |
| BP1000 | SWIR bandpass | 930–1030 nm | 150 nm |
| BP1550 | SWIR bandpass | 1485–1645 nm | 180 nm |
BN Series – Narrow Bandwidth
Ideal for blocking sunlight or distracting ambient light.
| Item No. | Description | Usable area | Full width at half maximum (FWHM) |
| BN450 | Narrow-band indigo bandpass | 435–465 nm | 45 nm |
| BN470 | Narrow blue bandpass filter | 455–485 nm | 50 nm |
| BN525 | Narrow green bandpass filter | 510–545 nm | 50 nm |
| BN532 | Narrow-band green bandpass (laser) | 527–540 nm | 35 nm |
| BN595 | Narrow orange bandpass filter | 585–605 nm | 40 nm |
| BN630 | Narrow light red bandpass filter | 618–642 nm | 45 nm |
| BN660 | Narrow dark red bandpass filter | 645–675 nm | 45 nm |
| BN740 | Narrow NIR bandpass | 725–755 nm | 50 nm |
| BN810 | Narrow NIR bandpass | 800–820 nm | 45 nm |
| BN850 | Narrow NIR bandpass | 835–865 nm | 55 nm |
| BN880 | Narrow NIR bandpass | 870–895 nm | 50 nm |
| BN940 | Narrow NIR bandpass | 925–955 nm | 55 nm |
Contact us
Our experts will be happy to help you. Get in touch with us!