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BP 490-180 HT 
Bandpass Filter



Key features

  • Average transmittance 95%
  • Steep slopes
  • Wavelength tolerance +/- 1%
  • Deep blocking / High optical density
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Schneider-Kreuznach Bandpass Filter BP 490 -180 HT

Schneider-Kreuznach magnetron sputtered industrial bandpass filters impress with steep slopes and high transmission at stable cut-on and cut-off wavelengths. The very flat surface makes them ideal for high end inspection systems. Schneider-Kreuznach bandpass filters are RoHS conform. Custom sizes and shapes are available on request.

The Schneider-Kreuznach BP 490-180 HT magnetron sputtered industrial bandpass filter offers steep slopes, high transmission, and stable cut-on and cut-off wavelengths. Its exceptionally flat surface ensures optimal performance in high-end inspection systems. RoHS compliant and available in custom sizes and shapes, it is ideal for applications in machine vision, automated optical inspection, and industrial quality control.

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Technical specifications: BP 490-180 HT Bandpass Filter

TypeOn request
Wavelength range, 50%-50%400-580 nm
Center Wavelength465 nm
Bandwidth180 nm
Angle of incidence0° +/- 8°
Cut-on wavelength400 +/- 5 nm
Cut-off wavelength580 +/- 6 nm
Transmittance415 - 565 nm: Tave > 95%; Tabs > 90%
Blocking< 370 nm: Tabs < 1.0%
615 - 950 nm: Tabs < 1.0%
950 - 1100 nm: Tabs < 2.0%
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 Bandpass Filter BP 490 -180 HT



Transmission of the BP 490-180 HT Filter


 

Transmission Data

 

Download Excel

Wavelength (nm) Transmission (%)
350 0.58
351 0.68
352 0.81
353 0.89
354 0.86
355 0.81
356 0.83
357 0.74
358 0.58
359 0.57
360 0.84
361 1.11
362 0.98
363 0.85
364 0.97
365 0.81
366 0.40
367 0.19
368 0.16
369 0.16
370 0.21
371 0.33
372 0.62
373 1.00
374 1.39
375 1.43
376 1.26
377 1.13
378 1.21
379 1.45
380 1.69
381 1.74
382 1.79
383 1.88
384 1.82
385 1.75
386 1.52
387 1.43
388 1.54
389 1.73
390 1.78
391 1.61
392 1.42
393 1.37
394 1.55
395 2.11
396 3.43
397 6.70
398 12.49
399 19.88
400 25.90
401 31.67
402 40.56
403 54.93
404 71.28
405 83.91
406 89.80
407 91.09
408 91.05
409 91.18
410 91.68
411 92.45
412 93.43
413 94.42
414 94.98
415 95.08
416 94.79
417 94.32
418 93.93
419 93.83
420 94.21
421 95.05
422 96.12
423 97.04
424 97.57
425 97.62
426 97.38
427 96.95
428 96.70
429 96.58
430 96.60
431 96.56
432 96.51
433 96.37
434 96.39
435 96.59
436 96.99
437 97.35
438 97.63
439 97.59
440 97.42
441 97.22
442 97.18
443 97.30
444 97.65
445 97.90
446 98.08
447 98.07
448 98.00
449 97.85
450 97.85
451 97.86
452 97.95
453 98.00
454 97.99
455 97.94
456 97.94
457 97.94
458 98.01
459 98.10
460 98.15
461 98.16
462 98.14
463 98.09
464 98.11
465 98.10
466 98.12
467 98.12
468 98.15
469 98.11
470 98.07
471 98.12
472 98.18
473 98.24
474 98.23
475 98.17
476 98.08
477 97.95
478 97.88
479 97.90
480 97.95
481 98.12
482 98.24
483 98.30
484 98.27
485 98.18
486 97.97
487 97.70
488 97.64
489 97.60
490 97.61
491 97.64
492 97.62
493 97.56
494 97.37
495 97.30
496 97.21
497 97.12
498 97.05
499 97.00
500 96.99
501 97.03
502 97.03
503 97.10
504 97.14
505 97.23
506 97.36
507 97.44
508 97.54
509 97.65
510 97.68
511 97.75
512 97.76
513 97.80
514 97.79
515 97.77
516 97.76
517 97.71
518 97.71
519 97.74
520 97.84
521 97.96
522 98.14
523 98.32
524 98.47
525 98.54
526 98.53
527 98.42
528 98.25
529 98.06
530 97.89
531 97.76
532 97.73
533 97.79
534 97.90
535 98.01
536 98.09
537 98.11
538 98.07
539 98.01
540 97.91
541 97.90
542 97.92
543 98.06
544 98.21
545 98.33
546 98.41
547 98.42
548 98.31
549 98.13
550 97.94
551 97.81
552 97.71
553 97.76
554 97.84
555 97.94
556 97.99
557 97.94
558 97.75
559 97.42
560 97.04
561 96.74
562 96.63
563 96.64
564 96.87
565 97.15
566 97.50
567 97.63
568 97.70
569 97.48
570 97.22
571 96.87
572 96.63
573 96.18
574 95.41
575 93.46
576 89.70
577 83.49
578 74.85
579 64.67
580 54.01
581 44.36
582 36.02
583 29.44
584 24.18
585 20.15
586 16.91
587 14.41
588 12.34
589 10.66
590 9.21
591 8.01
592 6.96
593 6.08
594 5.33
595 4.71
596 4.20
597 3.79
598 3.46
599 3.20
600 2.98
601 2.79
602 2.58
603 2.36
604 2.09
605 1.79
606 1.48
607 1.19
608 0.93
609 0.73
610 0.57
611 0.44
612 0.35
613 0.28
614 0.23
615 0.20
616 0.17
617 0.15
618 0.13
619 0.11
620 0.10
621 0.09
622 0.09
623 0.08
624 0.08
625 0.08
626 0.07
627 0.06
628 0.06
629 0.06
630 0.05
631 0.05
632 0.05
633 0.05
634 0.05
635 0.04
636 0.04
637 0.04
638 0.04
639 0.04
640 0.03
641 0.04
642 0.04
643 0.03
644 0.04
645 0.04
646 0.04
647 0.04
648 0.04
649 0.04
650 0.05
651 0.05
652 0.05
653 0.06
654 0.07
655 0.08
656 0.10
657 0.12
658 0.15
659 0.18
660 0.22
661 0.26
662 0.30
663 0.31
664 0.29
665 0.25
666 0.20
667 0.15
668 0.11
669 0.09
670 0.07
671 0.06
672 0.05
673 0.04
674 0.04
675 0.03
676 0.03
677 0.03
678 0.03
679 0.02
680 0.02
681 0.03
682 0.03
683 0.02
684 0.02
685 0.02
686 0.02
687 0.02
688 0.02
689 0.03
690 0.03
691 0.03
692 0.04
693 0.05
694 0.06
695 0.07
696 0.08
697 0.08
698 0.07
699 0.06
700 0.04
701 0.03
702 0.03
703 0.02
704 0.02
705 0.02
706 0.01
707 0.01
708 0.01
709 0.01
710 0.01
711 0.01
712 0.01
713 0.01
714 0.01
715 0.00
716 0.00
717 0.00
718 0.00
719 0.00
720 0.00
721 0.01
722 0.00
723 0.00
724 0.00
725 0.00
726 0.00
727 0.00
728 0.01
729 0.01
730 0.00
731 0.00
732 0.00
733 0.00
734 0.00
735 0.00
736 0.00
737 0.01
738 0.00
739 0.00
740 0.00
741 0.00
742 0.00
743 0.00
744 0.01
745 0.01
746 0.00
747 0.00
748 0.00
749 0.00
750 0.00
751 0.00
752 0.00
753 0.01
754 0.01
755 0.00
756 0.00
757 0.00
758 0.00
759 0.00
760 0.00
761 0.01
762 0.01
763 0.00
764 0.00
765 0.01
766 0.01
767 0.01
768 0.01
769 0.01
770 0.01
771 0.01
772 0.01
773 0.01
774 0.01
775 0.01
776 0.01
777 0.01
778 0.01
779 0.01
780 0.01
781 0.01
782 0.02
783 0.02
784 0.03
785 0.03
786 0.04
787 0.05
788 0.07
789 0.11
790 0.16
791 0.24
792 0.30
793 0.31
794 0.26
795 0.20
796 0.14
797 0.11
798 0.09
799 0.07
800 0.06
801 0.06
802 0.05
803 0.04
804 0.04
805 0.03
806 0.03
807 0.03
808 0.03
809 0.03
810 0.03
811 0.02
812 0.02
813 0.02
814 0.02
815 0.02
816 0.02
817 0.02
818 0.02
819 0.02
820 0.01
821 0.01
822 0.01
823 0.01
824 0.01
825 0.01
826 0.01
827 0.01
828 0.01
829 0.01
830 0.01
831 0.01
832 0.01
833 0.01
834 0.01
835 0.01
836 0.01
837 0.01
838 0.01
839 0.01
840 0.02
841 0.02
842 0.02
843 0.02
844 0.02
845 0.02
846 0.03
847 0.03
848 0.04
849 0.04
850 0.05
851 0.05
852 0.06
853 0.07
854 0.08
855 0.09
856 0.10
857 0.10
858 0.10
859 0.09
860 0.09
861 0.08
862 0.08
863 0.07
864 0.07
865 0.07
866 0.06
867 0.05
868 0.05
869 0.05
870 0.05
871 0.05
872 0.05
873 0.05
874 0.05
875 0.05
876 0.05
877 0.05
878 0.05
879 0.05
880 0.05
881 0.06
882 0.06
883 0.06
884 0.06
885 0.07
886 0.06
887 0.06
888 0.07
889 0.07
890 0.07
891 0.07
892 0.07
893 0.06
894 0.06
895 0.06
896 0.06
897 0.07
898 0.06
899 0.06
900 0.06
901 0.06
902 0.06
903 0.05
904 0.06
905 0.06
906 0.06
907 0.06
908 0.06
909 0.06
910 0.06
911 0.06
912 0.07
913 0.07
914 0.08
915 0.08
916 0.09
917 0.09
918 0.10
919 0.12
920 0.13
921 0.15
922 0.17
923 0.20
924 0.22
925 0.26
926 0.29
927 0.33
928 0.36
929 0.39
930 0.41
931 0.41
932 0.41
933 0.39
934 0.37
935 0.35
936 0.32
937 0.31
938 0.29
939 0.26
940 0.25
941 0.24
942 0.23
943 0.22
944 0.22
945 0.22
946 0.22
947 0.22
948 0.22
949 0.23
950 0.24
951 0.25
952 0.27
953 0.31
954 0.33
955 0.36
956 0.40
957 0.46
958 0.53
959 0.62
960 0.73
961 0.86
962 1.00
963 1.12
964 1.22
965 1.25
966 1.20
967 1.08
968 0.95
969 0.80
970 0.67
971 0.55
972 0.46
973 0.39
974 0.34
975 0.29
976 0.28
977 0.25
978 0.21
979 0.19
980 0.17
981 0.16
982 0.15
983 0.13
984 0.13
985 0.13
986 0.12
987 0.11
988 0.11
989 0.11
990 0.11
991 0.11
992 0.11
993 0.11
994 0.11
995 0.11
996 0.12
997 0.12
998 0.13
999 0.13
1000 0.14

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



 

More Bandpass Filters


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Ringstraße 132
55543 Bad Kreuznach | Germany
+49 (0) 671 601 0

 

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