Bandpass Filters
Simply and Efficiently Improve Machine Vision
Bandpass filters transmit only one defined wavelength bandwidth and improve every vision system’s image contrast, repeatability and long-term stability.
Polytec’s bandpass filters from Midopt are divided into three series:
BP series: For standard machine vision and surveillance tasks
BN series: For outdoor applications or situations involving overwhelming ambient light
Bi series: For laser diodes or very narrow spectrum light source applications
Mount & Size Options:
- Threaded mount sizes: M13.25 to M105
- C/CS mount, slip mount for lenses without filter threads, step-up/step-down adapter
- Custom shapes and sizes; mounted and unmounted versions available
Bandpass filters specifications
BP series: High bandwidth
BN series: Narrow bandwidth
BI series: Narrow interference bandwidth
Art. no. | Description | Transmission | Filter curve |
---|---|---|---|
BP250 | Deep-to-Near-UV Bandpass Filter | 230–275 nm | |
BP324 | Near-UV Bandpass Filter | 290–365 nm | |
BP365 | Near-UV Bandpass Filter | 335–400 nm | |
BP470 | Blue Bandpass Filter | 425–495 nm | |
BP485 | Absorptive VIS Bandpass/NIR Block Filter | 380-585 nm | |
BP500 | Green-Blue Bandpass Filter | 440–555 nm | |
BP505 | Cyan Bandpass Filter | 485–550 nm | |
BP525 | Light Green Bandpass Filter | 500–555 nm | |
PE530 | Photopic Response Bandpass Filter | 495-565 nm | |
BP550 | Near-IR / UV Block-Visible Bandpass Filter | 410–690 nm | |
BP590 | Orange Bandpass Filter | 560–600 nm | |
BP635 | Light Red Bandpass Filter | 615–645 nm | |
BP660 | Dark Red Bandpass Filter | 640–680 nm | |
BP695 | Near-IR Bandpass Filter | 680–720 nm | |
BP735 | Near-IR Bandpass Filter | 715–780 nm | |
BP800 | Near-IR Bandpass Filter | 745–950 nm | |
BP850 | Near-IR Bandpass Filter | 820–910 nm | |
BP880 | Near-IR Bandpass Filter | 845–930 nm | |
BP1000 | Near-IR Bandpass Filter | 935-1030 nm | |
BP1550 | Near-IR Bandpass Filter | 1485-1625 nm |
Art. no. | Description | Transmission | Filter curve |
---|---|---|---|
BN470 | Narrow Blue Bandpass Filter | 460–490 nm | |
BN532 | Narrow Green Bandpass Filter | 525–550 nm | |
BN595 | Narrow Orange Bandpass Filter | 580–610 nm | |
BN630 | Narrow Light Red Bandpass Filter | 625–645 nm | |
BN650 | Narrow Red Bandpass Filter | 638–672 nm | |
BN660 | Narrow Dark Red Bandpass Filter | 645–675 nm | |
BN740 | Narrow Near-IR Bandpass Filter | 730–755 nm | |
BN785 | Narrow Near-IR Bandpass Filter | 770–790 nm | |
BN810 | Narrow Near-IR Bandpass Filter | 798–820 nm | |
BN850 | Narrow Near-IR Bandpass Filter | 840–865 nm | |
BN880 | Narrow Near-IR Bandpass Filter | 855–890 nm | |
BN940 | Narrow Near-IR Bandpass Filter | 928–955 nm |
Art. no. | Description | Transmission | Filter curve |
---|---|---|---|
Bi405 | Violet Interference Bandpass Filter | 390–410 nm | |
Bi450 | Blue Interference Bandpass Filter | 445-465 nm | |
Bi520 | Light Green Interference Bandpass Filter | 515-525 nm | |
Bi550 | Green Interference Bandpass Filter | 535–558 nm | |
Bi632 | Light Red Interference Bandpass Filter | 625–640 nm | |
Bi650 | Red Interference Bandpass Filter | 643–665 nm | |
Bi660 | Dark Red Interference Bandpass Filter | 650–665 nm | |
Bi725 | Red Edge Bandpass Filter | 717-732 nm | |
Bi808 | Near-IR Interference Bandpass Filter | 803–813 nm | |
Bi850 | Near-IR Interference Bandpass Filter | 845–860 nm | |
Bi1300 | Near-IR Interference Bandpass Filter | 1292-1308 nm | |
Bi1450 | Near-IR Interference Bandpass Filter | 1442-1458 nm | |
Bi1550 | Near-IR Interference Bandpass Filter | 1542-1558 nm |

Art. no.: BP250, Description: Deep-to-Near-UV Bandpass Filter, Transmission: 230–275 nm

Art. no.: BP324, Description: Near-UV Bandpass Filter, Transmission: 290–365 nm

Art. no.: BP365, Description: Near-UV Bandpass Filter, Transmission: 335–400 nm

Art. no.: BP470, Description: Blue Bandpass Filter, Transmission: 425–495 nm

Art. no.: BP485, Description: Absorptive VIS Bandpass/NIR Block Filter, Transmission: 380-585 nm

Art. no.: BP500, Description: Green-Blue Bandpass Filter, Transmission: 440–555 nm

Art. no.: BP505, Description: Cyan Bandpass Filter, Transmission: 485–550 nm

Art. no.: BP525, Description: Light Green Bandpass Filter, Transmission: 500–555 nm

Art. no.: PE530, Description: Photopic Response Bandpass Filter, Transmission: 495-565 nm

Art. no.: BP550, Description: Near-IR / UV Block-Visible Bandpass Filter, Transmission: 410–690 nm

Art. no.: BP590, Description: Orange Bandpass Filter, Transmission: 560–600 nm

Art. no.: BP635, Description: Light Red Bandpass Filter, Transmission: 615–645 nm

Art. no.: BP660, Description: Dark Red Bandpass Filter, Transmission: 640–680 nm

Art. no.: BP695, Description: Near-IR Bandpass Filter, Transmission: 680–720 nm

Art. no.: BP735, Description: Near-IR Bandpass Filter, Transmission: 715–780 nm

Art. no.: BP800, Description: Near-IR Bandpass Filter, Transmission: 745–950 nm

Art. no.: BP850, Description: Near-IR Bandpass Filter, Transmission: 820–910 nm

Art. no.: BP880, Description: Near-IR Bandpass Filter, Transmission: 845–930 nm

Art. no.: BP1000, Description: Near-IR Bandpass Filter, Transmission: 935-1030 nm

Art. no.: BP1550, Description: Near-IR Bandpass Filter, Transmission: 1485-1625 nm

Art. no.: BN470, Description: Narrow Blue Bandpass Filter, Transmission: 460–490 nm

Art. no.: BN532, Description: Narrow Green Bandpass Filter, Transmission: 525–550 nm

Art. no.: BN595, Description: Narrow Orange Bandpass Filter, Transmission: 580–610 nm

Art. no.: BN630, Description: Narrow Light Red Bandpass Filter, Transmission: 625–645 nm

Art. no.: BN650, Description: Narrow Red Bandpass Filter, Transmission: 638–672 nm

Art. no.: BN660, Description: Narrow Dark Red Bandpass Filter, Transmission: 645–675 nm

Art. no.: BN740, Description: Narrow Near-IR Bandpass Filter, Transmission: 730–755 nm

Art. no.: BN785, Description: Narrow Near-IR Bandpass Filter, Transmission: 770–790 nm

Art. no.: BN810, Description: Narrow Near-IR Bandpass Filter, Transmission: 798–820 nm

Art. no.: BN850, Description: Narrow Near-IR Bandpass Filter, Transmission: 840–865 nm

Art. no.: BN880, Description: Narrow Near-IR Bandpass Filter, Transmission: 855–890 nm

Art. no.: BN940, Description: Narrow Near-IR Bandpass Filter, Transmission: 928–955 nm

Art. no.: Bi405, Description: Violet Interference Bandpass Filter, Transmission: 390–410 nm

Art. no.: Bi450, Description: Blue Interference Bandpass Filter, Transmission: 445-465 nm

Art. no.: Bi520, Description: Light Green Interference Bandpass Filter, Transmission: 515-525 nm

Art. no.: Bi550, Description: Green Interference Bandpass Filter, Transmission: 535–558 nm

Art. no.: Bi632, Description: Light Red Interference Bandpass Filter, Transmission: 625–640 nm

Art. no.: Bi650, Description: Red Interference Bandpass Filter, Transmission: 643–665 nm

Art. no.: Bi660, Description: Dark Red Interference Bandpass Filter, Transmission: 650–665 nm

Art. no.: Bi725, Description: Red Edge Bandpass Filter, Transmission: 717-732 nm

Art. no.: Bi808, Description: Near-IR Interference Bandpass Filter, Transmission: 803–813 nm

Art. no.: Bi850, Description: Near-IR Interference Bandpass Filter, Transmission: 845–860 nm

Art. no.: Bi1300, Description: Near-IR Interference Bandpass Filter, Transmission: 1292-1308 nm

Art. no.: Bi1450, Description: Near-IR Interference Bandpass Filter, Transmission: 1442-1458 nm
