de gb
de gb

LP 780 HT 
Longpass Filter



Key features

  • Average transmittance 95%
  • Steep slopes
  • Ultra low reflection
  • Deep blocking / High optical density
Request quote
Schneider-Kreuznach Longpass Filter LP 780 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 780 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.

Downloads

Technical specifications: LP 780 HT Longpass Filter

TypeOn request
Characteristicsinterference
Angle of indcident0° +/- 8°
Cut-on wavelength780 +/- 8 nm
Transmittance805 - 1050 nm: Tabs > 90%
805 - 1050 nm: Tave > 95%
Blocking< 735 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 780 HT



Transmission of the LP 780 HT Filter


 

Transmission Data

 

Download Excel

Wavelength (nm) Transmission (%)
350 0.07
351 0.09
352 0.13
353 0.13
354 0.10
355 0.11
356 0.16
357 0.16
358 0.08
359 0.04
360 0.04
361 0.05
362 0.11
363 0.27
364 0.45
365 0.47
366 0.32
367 0.15
368 0.07
369 0.05
370 0.05
371 0.07
372 0.13
373 0.17
374 0.11
375 0.07
376 0.07
377 0.11
378 0.17
379 0.16
380 0.09
381 0.06
382 0.07
383 0.13
384 0.14
385 0.08
386 0.03
387 0.02
388 0.01
389 0.01
390 0.02
391 0.03
392 0.07
393 0.11
394 0.09
395 0.05
396 0.04
397 0.04
398 0.08
399 0.13
400 0.13
401 0.08
402 0.04
403 0.02
404 0.02
405 0.02
406 0.03
407 0.04
408 0.06
409 0.09
410 0.09
411 0.08
412 0.06
413 0.06
414 0.07
415 0.08
416 0.13
417 0.19
418 0.25
419 0.25
420 0.21
421 0.17
422 0.15
423 0.15
424 0.16
425 0.18
426 0.21
427 0.23
428 0.26
429 0.28
430 0.30
431 0.32
432 0.34
433 0.35
434 0.32
435 0.25
436 0.17
437 0.12
438 0.09
439 0.07
440 0.07
441 0.07
442 0.08
443 0.10
444 0.16
445 0.25
446 0.29
447 0.21
448 0.12
449 0.08
450 0.06
451 0.05
452 0.05
453 0.07
454 0.10
455 0.18
456 0.23
457 0.16
458 0.08
459 0.04
460 0.03
461 0.02
462 0.02
463 0.02
464 0.02
465 0.03
466 0.05
467 0.10
468 0.18
469 0.17
470 0.08
471 0.04
472 0.02
473 0.02
474 0.01
475 0.01
476 0.01
477 0.01
478 0.02
479 0.04
480 0.09
481 0.16
482 0.14
483 0.06
484 0.03
485 0.02
486 0.01
487 0.01
488 0.01
489 0.01
490 0.01
491 0.01
492 0.01
493 0.01
494 0.02
495 0.02
496 0.03
497 0.03
498 0.04
499 0.04
500 0.05
501 0.06
502 0.08
503 0.09
504 0.07
505 0.05
506 0.02
507 0.01
508 0.01
509 0.01
510 0.00
511 0.00
512 0.00
513 0.00
514 0.00
515 0.00
516 0.00
517 0.00
518 0.00
519 0.00
520 0.00
521 0.01
522 0.01
523 0.01
524 0.02
525 0.02
526 0.02
527 0.01
528 0.01
529 0.01
530 0.00
531 0.00
532 0.00
533 0.00
534 0.00
535 0.00
536 0.00
537 0.00
538 0.01
539 0.00
540 0.00
541 0.01
542 0.01
543 0.01
544 0.02
545 0.02
546 0.03
547 0.05
548 0.08
549 0.14
550 0.22
551 0.22
552 0.15
553 0.08
554 0.04
555 0.02
556 0.01
557 0.01
558 0.01
559 0.00
560 0.01
561 0.01
562 0.01
563 0.00
564 0.01
565 0.00
566 0.01
567 0.00
568 0.01
569 0.01
570 0.00
571 0.01
572 0.01
573 0.01
574 0.01
575 0.02
576 0.03
577 0.08
578 0.12
579 0.09
580 0.04
581 0.02
582 0.01
583 0.01
584 0.01
585 0.01
586 0.01
587 0.00
588 0.00
589 0.00
590 0.00
591 0.00
592 0.00
593 0.00
594 0.00
595 0.00
596 0.00
597 0.00
598 0.00
599 0.00
600 0.00
601 0.00
602 0.00
603 0.00
604 0.00
605 0.00
606 0.00
607 0.00
608 0.00
609 0.00
610 0.00
611 0.00
612 0.00
613 0.00
614 0.00
615 0.00
616 0.00
617 0.00
618 0.00
619 0.00
620 0.00
621 0.00
622 0.00
623 0.00
624 0.00
625 0.00
626 0.00
627 0.00
628 0.00
629 0.00
630 0.00
631 0.00
632 0.00
633 0.00
634 0.00
635 0.00
636 0.00
637 0.00
638 0.00
639 0.00
640 0.00
641 0.01
642 0.01
643 0.01
644 0.01
645 0.01
646 0.01
647 0.01
648 0.01
649 0.01
650 0.01
651 0.01
652 0.01
653 0.01
654 0.01
655 0.01
656 0.01
657 0.01
658 0.01
659 0.01
660 0.01
661 0.01
662 0.01
663 0.01
664 0.01
665 0.01
666 0.01
667 0.01
668 0.01
669 0.01
670 0.01
671 0.01
672 0.01
673 0.02
674 0.02
675 0.02
676 0.02
677 0.02
678 0.02
679 0.02
680 0.03
681 0.03
682 0.03
683 0.03
684 0.04
685 0.09
686 0.10
687 0.10
688 0.11
689 0.11
690 0.11
691 0.11
692 0.11
693 0.11
694 0.11
695 0.11
696 0.12
697 0.12
698 0.12
699 0.12
700 0.13
701 0.13
702 0.13
703 0.14
704 0.14
705 0.15
706 0.15
707 0.16
708 0.17
709 0.17
710 0.19
711 0.20
712 0.21
713 0.23
714 0.24
715 0.26
716 0.28
717 0.30
718 0.32
719 0.34
720 0.35
721 0.37
722 0.38
723 0.38
724 0.39
725 0.39
726 0.39
727 0.39
728 0.39
729 0.39
730 0.39
731 0.39
732 0.39
733 0.40
734 0.40
735 0.41
736 0.41
737 0.43
738 0.44
739 0.45
740 0.47
741 0.49
742 0.51
743 0.54
744 0.57
745 0.61
746 0.66
747 0.71
748 0.77
749 0.84
750 0.92
751 1.02
752 1.14
753 1.28
754 1.45
755 1.64
756 1.87
757 2.15
758 2.50
759 2.91
760 3.42
761 4.03
762 4.77
763 5.67
764 6.76
765 8.02
766 9.50
767 11.20
768 13.14
769 15.35
770 17.79
771 20.45
772 23.28
773 26.26
774 29.44
775 32.70
776 35.98
777 39.33
778 42.72
779 46.12
780 49.68
781 53.35
782 57.20
783 61.03
784 64.97
785 68.79
786 72.69
787 76.45
788 80.15
789 83.56
790 86.66
791 89.42
792 91.78
793 93.68
794 95.08
795 96.14
796 97.15
797 97.44
798 97.68
799 97.72
800 97.62
801 97.51
802 97.37
803 97.29
804 97.22
805 97.24
806 97.29
807 97.44
808 97.64
809 97.84
810 98.08
811 98.35
812 98.58
813 98.87
814 99.03
815 99.22
816 99.30
817 99.36
818 99.34
819 99.27
820 99.17
821 99.00
822 98.76
823 98.54
824 98.28
825 98.02
826 97.76
827 97.54
828 97.34
829 97.14
830 97.02
831 96.92
832 96.89
833 96.85
834 96.92
835 96.99
836 97.12
837 97.24
838 97.40
839 97.60
840 97.79
841 97.97
842 98.17
843 98.37
844 98.52
845 98.62
846 98.71
847 98.81
848 98.83
849 98.86
850 98.82
851 98.78
852 98.72
853 98.61
854 98.52
855 98.37
856 98.27
857 98.14
858 97.98
859 97.89
860 97.77
861 97.71
862 97.61
863 97.57
864 97.58
865 97.55
866 97.58
867 97.64
868 97.70
869 97.78
870 97.84
871 97.99
872 98.09
873 98.22
874 98.31
875 98.42
876 98.57
877 98.65
878 98.72
879 98.79
880 98.87
881 98.91
882 98.91
883 98.89
884 98.95
885 98.89
886 98.89
887 98.72
888 98.73
889 98.61
890 98.53
891 98.41
892 98.44
893 98.27
894 98.21
895 98.09
896 98.08
897 97.96
898 97.99
899 97.83
900 97.89
901 97.78
902 97.86
903 97.82
904 97.81
905 97.79
906 97.84
907 97.81
908 97.91
909 97.84
910 97.91
911 97.94
912 97.99
913 97.95
914 97.98
915 98.03
916 98.02
917 98.03
918 97.97
919 98.02
920 97.93
921 97.96
922 97.98
923 97.85
924 97.84
925 97.75
926 97.83
927 97.75
928 97.68
929 97.64
930 97.65
931 97.57
932 97.60
933 97.64
934 97.63
935 97.57
936 97.63
937 97.64
938 97.65
939 97.72
940 97.80
941 97.81
942 97.98
943 97.91
944 98.02
945 98.04
946 98.15
947 98.11
948 98.30
949 98.28
950 98.36
951 98.36
952 98.43
953 98.47
954 98.49
955 98.45
956 98.50
957 98.45
958 98.47
959 98.40
960 98.43
961 98.31
962 98.28
963 98.18
964 98.10
965 97.99
966 97.96
967 97.90
968 97.87
969 97.76
970 97.66
971 97.53
972 97.54
973 97.53
974 97.48
975 97.43
976 97.38
977 97.33
978 97.30
979 97.38
980 97.35
981 97.41
982 97.44
983 97.51
984 97.55
985 97.67
986 97.67
987 97.84
988 97.84
989 98.03
990 98.02
991 98.21
992 98.29
993 98.41
994 98.48
995 98.56
996 98.60
997 98.75
998 98.80
999 98.84
1000 98.85
1001 98.90
1002 98.86
1003 98.88
1004 98.82
1005 98.83
1006 98.77
1007 98.77
1008 98.64
1009 98.60
1010 98.52
1011 98.45
1012 98.31
1013 98.28
1014 98.10
1015 98.00
1016 97.90
1017 97.84
1018 97.69
1019 97.66
1020 97.56
1021 97.50
1022 97.42
1023 97.44
1024 97.32
1025 97.35
1026 97.34
1027 97.33
1028 97.34
1029 97.46
1030 97.47
1031 97.58
1032 97.58
1033 97.67
1034 97.75
1035 97.86
1036 97.92
1037 98.14
1038 98.19
1039 98.34
1040 98.44
1041 98.57
1042 98.70
1043 98.77
1044 98.88
1045 98.91
1046 98.98
1047 98.99
1048 99.08
1049 99.03
1050 98.97
1051 98.95
1052 98.85
1053 98.75
1054 98.58
1055 98.44
1056 98.30
1057 97.99
1058 97.81
1059 97.48
1060 97.22
1061 96.81
1062 96.57
1063 96.18
1064 95.84
1065 95.43
1066 95.03
1067 94.63
1068 94.22
1069 93.78
1070 93.44
1071 93.08
1072 92.65
1073 92.25
1074 91.87
1075 91.45
1076 91.16
1077 90.77
1078 90.57
1079 90.19
1080 89.97
1081 89.65
1082 89.49
1083 89.23
1084 89.07
1085 88.94
1086 88.82
1087 88.71
1088 88.60
1089 88.55
1090 88.53
1091 88.44
1092 88.54
1093 88.56
1094 88.58
1095 88.66
1096 88.80
1097 88.82
1098 88.91
1099 89.00
1100 89.14

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 Longpass Filters


Do you have any questions or comments? Then please contact us. We will get back to you as soon as possible. To help us process your request, please fill out all fields marked with *.

Required
Required
Required
Required
Required
Required
Required
Required

The data will not pass on to third parties. This is about our privacy.

Completely free of charge and without obligation. I am aware that my data/ usage behavior is stored electronically. You can unsubscribe this service at any time in any newsletter, or your consent to the Jos. Schneider Optische Werke GmbH.

HEADQUARTERS - Europe

Jos. Schneider Optische Werke GmbH
Ringstraße 132
55543 Bad Kreuznach | Germany
+49 (0) 671 601 0

 

BUSINESS UNITS

Business Unit Industry
+49 (0) 671 601 205
isales@schneiderkreuznach.com

Business Unit Photo/ Cine
+49 (0) 671 601 551

B+W belongs to the Photo division
photo@schneiderkreuznach.com
cine@schneiderkreuznach.com

 

OFFICES WORLDWIDE

America
+1 800 645 7239 (East Coast)
+1 800 228 1254 (West Coast)

Asia
+86 755 8832 1170

Singapore
+65 9488 0062

Exhibitions & Events

Visit us at any tradeshow or event we attend worldwide! Come with your challenge and let our experts help you find the perfect solution for your apllication.

Newsroom

Stay up-to-date on all the latest news, product releases, and more.

Distribution

Get in touch with our specialist. Find a partner near to you.