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LP 630 HT 
Longpass Filter



Key features

  • Average transmittance 95%
  • Steep slopes
  • Ultra low reflection
  • Deep blocking / High optical density
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Schneider-Kreuznach Longpass Filter LP 630 HT

Schneider-Kreuznach longpass filters deliver high transmission and precise cutoff performance for use in industrial and machine vision applications. Thanks to their steep slopes, flat surfaces, and robust AR coatings, these filters ensure accurate results and minimal reflections even under demanding conditions. 

The Schneider-Kreuznach LP 630 HT magnetron sputtered industrial longpass filter features steep slopes and high transmission at stable cut-on wavelengths. The very flat surface makes it ideal for high end machine vision systems in factory automation. All longpass filters come with superior antireflection coating. Schneider-Kreuznach longpass filters are RoHS conform. Custom sizes are available on request.

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Technical specifications: LP 630 HT Longpass Filter

TypeOn request
Characteristicsinterference
Angle of indcident0° +/- 8°
Cut-on wavelength630 +/- 6 nm
Transmittance650 - 950 nm: Tabs > 90%
650 - 950 nm: Tave > 95%
Blocking< 570 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 Longpass Filter LP 630 HT



Transmission of the LP 630 HT Filter


 

Transmission Data

 

Download Excel

Wavelength (nm) Transmission (%)
350 0.19
351 0.15
352 0.12
353 0.14
354 0.13
355 0.18
356 0.28
357 0.35
358 0.24
359 0.11
360 0.06
361 0.07
362 0.05
363 0.04
364 0.03
365 0.03
366 0.03
367 0.03
368 0.06
369 0.10
370 0.15
371 0.12
372 0.07
373 0.04
374 0.03
375 0.02
376 0.06
377 0.06
378 0.06
379 0.03
380 0.02
381 0.02
382 0.04
383 0.08
384 0.07
385 0.09
386 0.06
387 0.04
388 0.03
389 0.02
390 0.02
391 0.02
392 0.02
393 0.03
394 0.03
395 0.03
396 0.03
397 0.03
398 0.04
399 0.05
400 0.05
401 0.05
402 0.04
403 0.03
404 0.02
405 0.02
406 0.02
407 0.02
408 0.02
409 0.02
410 0.02
411 0.02
412 0.02
413 0.02
414 0.03
415 0.03
416 0.04
417 0.06
418 0.08
419 0.11
420 0.15
421 0.18
422 0.19
423 0.18
424 0.16
425 0.14
426 0.13
427 0.11
428 0.11
429 0.10
430 0.10
431 0.10
432 0.12
433 0.12
434 0.14
435 0.14
436 0.15
437 0.18
438 0.21
439 0.26
440 0.31
441 0.35
442 0.33
443 0.27
444 0.20
445 0.15
446 0.11
447 0.09
448 0.08
449 0.06
450 0.05
451 0.04
452 0.04
453 0.04
454 0.04
455 0.03
456 0.04
457 0.05
458 0.05
459 0.05
460 0.06
461 0.08
462 0.10
463 0.16
464 0.26
465 0.36
466 0.38
467 0.28
468 0.17
469 0.11
470 0.07
471 0.05
472 0.05
473 0.04
474 0.04
475 0.03
476 0.03
477 0.02
478 0.02
479 0.02
480 0.02
481 0.03
482 0.03
483 0.02
484 0.03
485 0.03
486 0.03
487 0.03
488 0.04
489 0.04
490 0.04
491 0.04
492 0.03
493 0.03
494 0.02
495 0.02
496 0.02
497 0.02
498 0.02
499 0.01
500 0.01
501 0.01
502 0.01
503 0.01
504 0.01
505 0.01
506 0.01
507 0.01
508 0.01
509 0.01
510 0.01
511 0.01
512 0.01
513 0.02
514 0.01
515 0.01
516 0.01
517 0.01
518 0.01
519 0.02
520 0.02
521 0.02
522 0.02
523 0.02
524 0.02
525 0.02
526 0.02
527 0.02
528 0.03
529 0.03
530 0.03
531 0.03
532 0.03
533 0.03
534 0.03
535 0.03
536 0.03
537 0.04
538 0.04
539 0.03
540 0.03
541 0.03
542 0.03
543 0.03
544 0.03
545 0.03
546 0.04
547 0.03
548 0.03
549 0.03
550 0.03
551 0.03
552 0.04
553 0.04
554 0.04
555 0.03
556 0.04
557 0.04
558 0.04
559 0.05
560 0.09
561 0.09
562 0.09
563 0.09
564 0.10
565 0.10
566 0.11
567 0.11
568 0.13
569 0.14
570 0.15
571 0.16
572 0.18
573 0.19
574 0.21
575 0.24
576 0.26
577 0.29
578 0.32
579 0.35
580 0.38
581 0.42
582 0.46
583 0.51
584 0.55
585 0.60
586 0.65
587 0.70
588 0.75
589 0.81
590 0.87
591 0.93
592 1.00
593 1.07
594 1.15
595 1.23
596 1.31
597 1.41
598 1.52
599 1.63
600 1.76
601 1.90
602 2.06
603 2.22
604 2.41
605 2.63
606 2.86
607 3.13
608 3.42
609 3.76
610 4.13
611 4.56
612 5.03
613 5.57
614 6.17
615 6.86
616 7.64
617 8.54
618 9.54
619 10.69
620 11.98
621 13.47
622 15.15
623 17.05
624 19.23
625 21.69
626 24.44
627 27.55
628 31.01
629 34.82
630 39.04
631 43.58
632 48.42
633 53.45
634 58.71
635 63.96
636 69.19
637 74.10
638 78.71
639 82.82
640 86.49
641 89.56
642 92.09
643 94.07
644 95.58
645 96.65
646 97.38
647 97.87
648 98.10
649 98.22
650 98.19
651 98.14
652 98.04
653 97.95
654 97.84
655 97.79
656 97.70
657 97.67
658 97.61
659 97.65
660 97.65
661 97.66
662 97.64
663 97.66
664 97.66
665 97.65
666 97.59
667 97.56
668 97.49
669 97.39
670 97.33
671 97.23
672 97.08
673 96.95
674 96.85
675 96.76
676 96.61
677 96.51
678 96.46
679 96.36
680 96.32
681 96.28
682 96.30
683 96.31
684 96.36
685 96.43
686 96.54
687 96.64
688 96.75
689 96.88
690 97.01
691 97.18
692 97.32
693 97.48
694 97.62
695 97.77
696 97.90
697 98.03
698 98.14
699 98.22
700 98.29
701 98.34
702 98.38
703 98.40
704 98.40
705 98.39
706 98.34
707 98.31
708 98.26
709 98.18
710 98.10
711 98.03
712 97.93
713 97.85
714 97.78
715 97.70
716 97.62
717 97.56
718 97.49
719 97.44
720 97.40
721 97.38
722 97.38
723 97.38
724 97.38
725 97.42
726 97.42
727 97.49
728 97.56
729 97.60
730 97.66
731 97.71
732 97.79
733 97.87
734 97.95
735 98.01
736 98.09
737 98.14
738 98.21
739 98.28
740 98.30
741 98.32
742 98.35
743 98.38
744 98.36
745 98.39
746 98.38
747 98.35
748 98.31
749 98.29
750 98.23
751 98.20
752 98.15
753 98.11
754 98.03
755 97.97
756 97.91
757 97.87
758 97.79
759 97.76
760 97.70
761 97.64
762 97.62
763 97.58
764 97.52
765 97.51
766 97.48
767 97.47
768 97.45
769 97.45
770 97.44
771 97.45
772 97.43
773 97.44
774 97.49
775 97.48
776 97.49
777 97.51
778 97.53
779 97.56
780 97.55
781 97.57
782 97.56
783 97.61
784 97.61
785 97.62
786 97.60
787 97.60
788 97.60
789 97.57
790 97.57
791 97.56
792 97.50
793 97.48
794 97.47
795 97.44
796 97.36
797 97.32
798 97.26
799 97.25
800 97.21
801 97.17
802 97.17
803 97.16
804 97.09
805 97.03
806 97.03
807 96.98
808 96.97
809 97.00
810 96.98
811 96.95
812 96.99
813 97.00
814 97.01
815 97.05
816 97.06
817 97.12
818 97.15
819 97.23
820 97.26
821 97.31
822 97.40
823 97.48
824 97.55
825 97.63
826 97.71
827 97.79
828 97.86
829 97.95
830 98.03
831 98.11
832 98.22
833 98.24
834 98.33
835 98.40
836 98.46
837 98.50
838 98.57
839 98.61
840 98.64
841 98.69
842 98.70
843 98.73
844 98.73
845 98.74
846 98.72
847 98.75
848 98.68
849 98.70
850 98.66
851 98.59
852 98.58
853 98.51
854 98.47
855 98.38
856 98.29
857 98.23
858 98.17
859 98.06
860 97.96
861 97.92
862 97.82
863 97.75
864 97.67
865 97.60
866 97.51
867 97.44
868 97.39
869 97.32
870 97.28
871 97.22
872 97.16
873 97.12
874 97.09
875 97.06
876 97.01
877 97.02
878 96.99
879 96.97
880 96.97
881 96.95
882 97.00
883 96.98
884 97.02
885 97.00
886 97.06
887 97.07
888 97.18
889 97.13
890 97.21
891 97.19
892 97.33
893 97.28
894 97.41
895 97.42
896 97.50
897 97.50
898 97.63
899 97.56
900 97.66
901 97.59
902 97.70
903 97.69
904 97.75
905 97.72
906 97.79
907 97.76
908 97.78
909 97.81
910 97.87
911 97.81
912 97.78
913 97.76
914 97.78
915 97.73
916 97.77
917 97.70
918 97.64
919 97.60
920 97.60
921 97.56
922 97.56
923 97.48
924 97.47
925 97.37
926 97.36
927 97.27
928 97.31
929 97.22
930 97.20
931 97.06
932 97.11
933 97.01
934 97.01
935 96.91
936 96.97
937 96.90
938 96.87
939 96.80
940 96.75
941 96.71
942 96.78
943 96.72
944 96.78
945 96.71
946 96.76
947 96.71
948 96.76
949 96.73
950 96.77
951 96.76
952 96.83
953 96.79
954 96.86
955 96.82
956 96.89
957 96.88
958 96.92
959 96.95
960 96.98
961 97.01
962 97.00
963 97.02
964 97.06
965 97.00
966 97.09
967 97.04
968 97.05
969 97.03
970 97.00
971 96.99
972 97.01
973 96.98
974 96.85
975 96.80
976 96.77
977 96.72
978 96.62
979 96.56
980 96.48
981 96.35
982 96.24
983 96.10
984 95.95
985 95.84
986 95.66
987 95.53
988 95.32
989 95.18
990 94.94
991 94.78
992 94.50
993 94.36
994 94.10
995 93.91
996 93.63
997 93.39
998 93.13
999 92.92
1000 92.64
1001 92.39
1002 92.08
1003 91.89
1004 91.53
1005 91.28
1006 90.96
1007 90.81
1008 90.44
1009 90.22
1010 89.95
1011 89.75
1012 89.46
1013 89.23
1014 88.94
1015 88.74
1016 88.47
1017 88.29
1018 88.02
1019 87.85
1020 87.59
1021 87.44
1022 87.21
1023 87.06
1024 86.85
1025 86.72
1026 86.59
1027 86.45
1028 86.36
1029 86.25
1030 86.05
1031 85.98
1032 85.88
1033 85.84
1034 85.78
1035 85.70
1036 85.69
1037 85.73
1038 85.71
1039 85.70
1040 85.73
1041 85.76
1042 85.80
1043 85.83
1044 85.92
1045 85.98
1046 86.10
1047 86.16
1048 86.33
1049 86.39
1050 86.60
1051 86.69
1052 86.87
1053 86.99
1054 87.23
1055 87.38
1056 87.58
1057 87.72
1058 88.00
1059 88.19
1060 88.43
1061 88.59
1062 88.87
1063 89.07
1064 89.34
1065 89.55
1066 89.90
1067 90.03
1068 90.35
1069 90.57
1070 90.86
1071 91.03
1072 91.30
1073 91.51
1074 91.83
1075 92.06
1076 92.31
1077 92.46
1078 92.72
1079 92.91
1080 93.18
1081 93.38
1082 93.60
1083 93.72
1084 93.96
1085 94.12
1086 94.24
1087 94.34
1088 94.54
1089 94.64
1090 94.70
1091 94.78
1092 94.88
1093 94.99
1094 95.01
1095 95.03
1096 95.04
1097 95.06
1098 95.10
1099 95.04
1100 95.05

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 Longpass Filters


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+49 (0) 671 601 0

 

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