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NBP 660-10 HT 
Narrow Bandpass Filter


Key features

  • Average transmittance 90%
  • Steep slopes
  • Wavelength tolerance +/- 3nm
  • Deep blocking / High optical density
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Schneider-Kreuznach Narrow Bandpass Filter NBP 660-10 HT

Schneider-Kreuznach Narrow Bandpass Filters are designed for applications requiring precise wavelength selection, such as laser systems, 3D measurement, and metrology. With steep slopes, high transmission (up to 90%), and deep blocking outside the passband, these filters ensure accurate results in demanding environments. 

The Schneider-Kreuznach NBP 660-10 HT magnetron sputtered industrial Narrow Bandpass Filter features steep slopes for sophisticated applications that require a sharp transition between high transmission and deep blocking at stable cut-on and cut-off wavelengths. The layers are applied by means of magnetron sputtering, a special coating process. Schneider-Kreuznach narrow bandpass filters are RoHS conform. Custom sizes are available on request.

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Transmission
Product sheet
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Product brochure 2024
Product brochure 2025

Technical specifications: NBP 660-10 HT Narrow Bandpass Filter

TypeStandard
Wavelength range, 50%-50%655-665 nm
Center Wavelength660 nm
Bandwidth10 nm
Angle of incident0° +/- 5°
Central Wavelength (CWL)660 +/- 3nm
Full Width at Half Maximum (FWHM)10 +/- 1nm
Transmittance658 - 662 nm: Tabs > 80%
Blocking< 645 nm: Tabs < 0.5%
680 - 1000 nm: Tabs < 0.5%
Wavefront distortionØ >18 - 30 mm: 13/ 1(0.25) | Ø >30 - 50 mm: 13/ 1(0.30)
Parallelism1'
Glass thickness tolerance+/- 0.08mm

Filter specifications glossary

 

Specification Description
Angle of incidence (AOI) Angle between a ray of light and the surface normal to the surface it strikes
Cut-on wavelength Wavelength at which the transmission of the lower edge rises to 50%
Cut-off wavelength Wavelength at which the transmission of hhe upper edge drops to 50%
Central Wavelength (CWL) Center of the filter’s passband for which it is primarily designed
Full Width at Half Maximum (FWHM) Spectral bandwidth measured at 50% of the peak transmittance
Transmittance Ratio of transmitted light intensity to incident light intensity
Blocking Strong attenuation of light intensity over a specified wavelength range
Wavefront distortion Deviation of the transmitted wavefront from a reference plane
Parallelism Angular deviation between the two main surfaces of the filter
Glass thickness tolerance Permissible deviation from the specified substrate thickness
Wavelength range Spectral region over which the filter is designed to operate
Coating Applied layer(s) defining the filter’s spectral characteristics
Temperature range Recommended operational limits for ambient or device temperature
Glass thickness Nominal thickness of the filter glass
Optical density Attenuation measure defined as −log₁₀ of transmittance
Transmittance average Average light transmission across the specified wavelength range
Wavelength Wavelength range at which the polarizer specification applies
Transmittance, unpolarized light Ratio of transmitted to incident intensity for unpolarized light
Extinction ratio Ratio of transmitted intensity along the polarizer’s pass axis to that along its block axis
Max. size Largest standard dimension for the polarizer film
Temperature range Minimum to maximum temperature for reliable performance
Substrate Base material on which the polarizing film is applied
Thickness Nominal overall thickness of the polarizer film
Info Unless otherwise stated, all dimensions in this data sheet are in mm

 

Picture of the filter

Schneider-Kreuznach Narrow Bandpass Filter NBP 660-10 HT



Transmission of the NBP 660-10 HT Filter

 

Transmission Data

 

Download Excel

Wavelength (nm) Transmission (%)
580 0.01
581 0.01
582 0.01
583 0.01
584 0.01
585 0.01
586 0.01
587 0.01
588 0.01
589 0.01
590 0.01
591 0.01
592 0.01
593 0.01
594 0.01
595 0.01
596 0.00
597 0.00
598 0.00
599 0.00
600 0.00
601 0.01
602 0.01
603 0.00
604 0.00
605 0.00
606 0.00
607 0.00
608 0.01
609 0.01
610 0.01
611 0.00
612 0.00
613 0.00
614 0.00
615 0.01
616 0.01
617 0.01
618 0.01
619 0.00
620 0.00
621 0.01
622 0.01
623 0.01
624 0.01
625 0.01
626 0.01
627 0.01
628 0.01
629 0.01
630 0.01
631 0.01
632 0.01
633 0.01
634 0.01
635 0.01
636 0.01
637 0.01
638 0.01
639 0.01
640 0.01
641 0.02
642 0.02
643 0.02
644 0.03
645 0.04
646 0.05
647 0.08
648 0.15
649 0.30
650 0.58
651 1.16
652 2.53
653 6.72
654 18.76
655 44.69
656 75.43
657 92.54
658 97.33
659 97.85
660 97.77
661 97.53
662 97.25
663 96.93
664 93.74
665 77.81
666 47.89
667 21.29
668 7.46
669 2.88
670 1.22
671 0.62
672 0.33
673 0.19
674 0.12
675 0.08
676 0.06
677 0.05
678 0.04
679 0.03
680 0.03
681 0.03
682 0.03
683 0.02
684 0.02
685 0.04
686 0.04
687 0.04
688 0.04
689 0.04
690 0.04
691 0.04
692 0.04
693 0.04
694 0.04
695 0.04
696 0.04
697 0.04
698 0.04
699 0.04
700 0.04
701 0.04
702 0.04
703 0.04
704 0.04
705 0.05
706 0.04
707 0.04
708 0.04
709 0.04
710 0.04
711 0.04
712 0.04
713 0.04
714 0.04
715 0.04
716 0.04
717 0.04
718 0.04
719 0.04
720 0.04
721 0.05
722 0.05
723 0.04
724 0.04
725 0.04
726 0.04
727 0.04
728 0.05
729 0.05
730 0.05
731 0.05
732 0.05
733 0.05
734 0.05
735 0.05
736 0.05
737 0.05
738 0.05
739 0.04
740 0.05
741 0.04
742 0.04
743 0.04
744 0.05
745 0.05
746 0.05
747 0.04
748 0.04
749 0.05
750 0.05
751 0.05
752 0.05
753 0.05
754 0.05
755 0.05
756 0.05
757 0.05
758 0.05
759 0.05
760 0.05
761 0.05
762 0.06
763 0.06
764 0.06
765 0.07
766 0.09
767 0.11
768 0.14
769 0.18
770 0.21
771 0.23
772 0.22
773 0.20
774 0.20
775 0.22
776 0.29
777 0.41
778 0.53
779 0.66
780 1.09

 

 

Mounted Industrial Filter [IF]

MountThicknessID
CMT2mm1089657
CMT1mmID to be defined
SH 25.52mm1090046
SH 25.51mmOn request only
SH 27.02mm1090143
SH 27.01mmOn request only
SN1 30.52mm1085801
SN1 30.51mmOn request only
SH 34.02mm1106933
SH 34.01mmOn request only
SH 35.52mm1100893
SH 35.51mmOn request only
SH 37.02mm1106934
SH 37.01mmOn request only
SH 39.02mm1106935
SH 40.52mm1106936
SH 43.02mm1106937
SH 46.02mm1106938
SH 49.02mm1106939

Order nomenclature
IF NBP 660-10 HT [Mount] [Thickness]
Example: IF NBP 660-10 HT SH 25.5 2
 

Unmounted Industrial Filterglass [IFG]

DiameterThicknessID
22.0 mm2mm1085863
22.0 mm1mmID to be defined
23.0 mm2mmID to be defined
23.0 mm1mmOn request only
24.0 mm2mm1085864
24.0 mm1mmOn request only
29.0 mm2mm1085866
29.0 mm1mmOn request only
31.0 mm2mmID to be defined
31.0 mm1mmOn request only
33.0 mm2mmID to be defined
33.0 mm1mmOn request only
34.0 mm2mm1085856
34.0 mm1mmID to be defined
36.0 mm2mmID to be defined
38.0 mm2mmID to be defined
40.0 mm2mmID to be defined
43.0 mm2mmID to be defined
46.0 mm2mm1085867

Order nomenclature
IFG NBP 660-10 HT [Diameter] [Thickness]
Example: IFG NBP 660-10 HT 23.0 2
 

Mounts for Industrial Optical Filters

C-Mount

Defined by 1” (25.4mm) diameter and 32 turns per inch pitch, the C-Mount thread is a popular camera mount in machine vision industry. Schneider-Kreuznach offers a C-Mount option for most filters. So filters can go in any C-Mount based mechanics in vision systems.

Another popular application, C-Mounts can easily be used for, is placing a filter in front of the sensor into the camera. The extension of the back flange distance has to be considered for imaging applications.

Key Features of C-Mount Filters:
• Fits in C-Mount cameras
• Black Anodized Brass

Applications of C-Mount Filters:
• To be mounted in C-Mount cameras
• Vision Systems based on C-Mount mechanics

Thread Diameter Clear Thickness
Aperture
1'' - 32 25.4 mm 21.1 mm 3.6 mm

 

Filter C-Mount

 

 

SH-Mount

Schneider-Kreuznach offers a variety of mounts with common thread sizes to fit on most camera lens systems. SH-Mount is the standard, when high flexibility is needed. Filters are held by retainer rings. SH-Mounts are extreme robust.

All SH-Mounts have a female and male M-thread, and can be stacked if several filters must be combined.

Key features of SH-Mount Filters:
• Stackable
• ​​​​​Robust
• Black Anodized Brass

Applications of SH-Mount Filters:
• Mounted on lenses in imaging applications
• Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 25.5x0.5 29.5 mm 20.8mm 6.4 mm
M 27.0x0.5 31.0 mm 21.8 mm 6.4 mm
M 35.5x0.5 39.5 mm 29.8 mm 6.4 mm
M 37.0x0.75 41.0 mm 31.8 mm 6.9 mm
M 39.0x0.5 43.0 mm 33.8 mm 6.4 mm
M 40.5x0.5 44.5 mm 35.8 mm 6.4 mm
M 43.0x0.75 47.0 mm 37.8 mm 6.9 mm
M 46.0x0.75 50.0 mm 40.8 mm 6.9 mm
M 49.0x0.75 53.0 mm 43.8 mm 6.9 mm
M 52.0x0.75 56.0 mm 46.8 mm 6.9 mm
M 55.0x0.75 59.0 mm 49.8 mm 6.9 mm
M 58.0x0.75 62.0 mm 52.8 mm 6.9 mm
M 62.0x0.75 66.0 mm 56.8 mm 6.9 mm
M 67.0x0.75 71.0 mm 61.8 mm 6.9 mm

 

SH Filter-Mount

 

SN1-Mount

The SN1-Mount was designed for the in machine vision popular M30.5x0.5 thread. With its high clear aperture, vignetting can be avoided, even for wide angle applications. The filter is glued into the mount, in order to secure it against vibrations when integrated into robots or production lines. It is ideal to be used in automated fabrication.

SN1-Mounts have a male and female M-thread, and can be stacked if several filters must be combined.

Key features SN1-Mount Filters:
• Maximum Clear Aperture
• No vignetting
• Stackable
• Robust
• Black Anodized Brass

Applications SN1-Mount Filters:
• Mounted on lenses in imaging applications
• Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 30.5x0.5 32 mm 28 mm 6.5 mm

 

SN1 Filter-Mount

 

SN1-Mount

The SN2-Mount is designed for polarizers and achieves highest possible aperture, avoiding vignetting in machine vision systems. Its unique locking mechanism fixes the correct orientation, even in typical industrial environment. The filters are glued into the mount to secure them against vibrations when integrated into robots or production lines. Ideal for use in automated fabrication.

SN2-Mounts have a female and male M-thread, and can be stacked if several filters must be combined.

Key features:
• Rotatable
• High clear Aperture
• No vignetting
• Stackable
• Robust
• Black Anodized Brass

Applications:
• Mounted on lenses in imaging applications
• Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 25.5x0.5 27 mm 22.7 mm 7.4 mm
M 27.0x0.5 28.5 mm 23.7 mm 7.4 mm
M 30.5x0.5 32 mm 26.7 mm 7.4 mm
M 35.5 x0.5 37 mm 31.7 mm 7.4 mm
M 37.0x0.75 38.5 mm 32.7 mm 7.4 mm
M 40.5x0.5 42 mm 36.7 mm 7.4 mm
M 43.0x0.75 44.5 mm 37.7 mm 7.4 mm
M 46.0x0.75 47.5 mm 41.7 mm 7.4 mm
M 49.0x0.75 50.5 mm 44.7 mm 7.4 mm

 

SN2 Filter-Mount

DH-Mount

Schneider-Kreuznach offers a variety of mounts for polarizers with common thread sizes to fit on most camera lens systems. The DH-Mount is rotatable to adjust polarization axis in the required orientation. Filters are held by retainer rings.

All DH-Mounts have a female and male M-thread and can be stacked if several filters must be combined.

Key features:
• Rotatable
• Stackable
• Black Anodized Brass

Applications:
• Mounted on lenses in imaging applications
• Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 25.5x0.5 27 mm 20.8 mm 9.2 mm
M 27.0x0.5 28.5 mm 21.8 mm 9.2 mm
M 30.5x0.5 32 mm 25.8 mm 9.2 mm
M 35.5 x0.5 37 mm 30.8 mm 9.2 mm
M 37.0x0.75 38.5 mm 31.8 mm 9.2 mm
M 40.5x0.5 42 mm 35.8 mm 9.2 mm
M 43.0x0.75 44.5 mm 37.8 mm 9.2 mm
M 46.0x0.75 47.5 mm 40.8 mm 9.2 mm
M 49.0x0.75 50.5 mm 43.8 mm 9.2 mm
M 52.0x0.75 53.5 mm 46.8 mm 9.2 mm
M 55.0x0.75 56.5 mm 49.8 mm 9.2 mm
M 58.0x0.75 59.5 mm 52.8 mm 9.2 mm
M 62.0x0.75 63.5 mm 56.8 mm 9.2 mm
M 67.0x0.75 68.5 mm 61.8 mm 9.2 mm

 

DH Filter-Mount



 

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+49 (0) 671 601 0

 

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