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LP 530 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 530 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 530 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 530 HT Longpass Filter

TypeOn request
Characteristicsinterference
Angle of indcident0° +/- 8°
Cut-on wavelength530 +/- 6 nm
Transmittance550 - 900 nm: Tabs > 90%
550 - 900 nm: Tave > 95%
Blocking< 490 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 530 HT



Transmission of the LP 530 HT Filter


 

Transmission Data

 

Download Excel

Wavelength (nm) Transmission (%)
350 0.05
351 0.04
352 0.05
353 0.07
354 0.07
355 0.04
356 0.04
357 0.02
358 0.03
359 0.04
360 0.05
361 0.07
362 0.08
363 0.04
364 0.03
365 0.03
366 0.03
367 0.04
368 0.04
369 0.07
370 0.06
371 0.04
372 0.05
373 0.04
374 0.03
375 0.04
376 0.07
377 0.08
378 0.07
379 0.03
380 0.04
381 0.05
382 0.06
383 0.08
384 0.14
385 0.10
386 0.09
387 0.08
388 0.07
389 0.08
390 0.09
391 0.11
392 0.10
393 0.09
394 0.08
395 0.07
396 0.07
397 0.07
398 0.07
399 0.07
400 0.08
401 0.08
402 0.08
403 0.08
404 0.08
405 0.08
406 0.08
407 0.09
408 0.09
409 0.09
410 0.09
411 0.09
412 0.09
413 0.09
414 0.09
415 0.09
416 0.09
417 0.09
418 0.09
419 0.08
420 0.08
421 0.07
422 0.07
423 0.07
424 0.07
425 0.08
426 0.08
427 0.07
428 0.07
429 0.08
430 0.07
431 0.07
432 0.07
433 0.08
434 0.08
435 0.06
436 0.06
437 0.06
438 0.05
439 0.06
440 0.06
441 0.06
442 0.06
443 0.05
444 0.05
445 0.05
446 0.05
447 0.05
448 0.06
449 0.06
450 0.06
451 0.05
452 0.05
453 0.05
454 0.05
455 0.05
456 0.06
457 0.06
458 0.06
459 0.06
460 0.05
461 0.06
462 0.05
463 0.06
464 0.05
465 0.06
466 0.06
467 0.06
468 0.05
469 0.06
470 0.05
471 0.05
472 0.05
473 0.06
474 0.06
475 0.05
476 0.05
477 0.05
478 0.06
479 0.05
480 0.06
481 0.07
482 0.06
483 0.06
484 0.07
485 0.07
486 0.07
487 0.07
488 0.08
489 0.09
490 0.10
491 0.10
492 0.11
493 0.12
494 0.13
495 0.15
496 0.17
497 0.20
498 0.23
499 0.26
500 0.30
501 0.36
502 0.42
503 0.50
504 0.60
505 0.72
506 0.86
507 1.02
508 1.22
509 1.45
510 1.72
511 2.04
512 2.42
513 2.85
514 3.35
515 3.95
516 4.66
517 5.50
518 6.50
519 7.71
520 9.17
521 10.96
522 13.11
523 15.81
524 19.07
525 23.09
526 27.87
527 33.63
528 40.16
529 47.62
530 55.53
531 63.79
532 71.76
533 79.01
534 85.12
535 89.84
536 93.20
537 95.33
538 96.59
539 97.16
540 97.40
541 97.42
542 97.36
543 97.29
544 97.27
545 97.34
546 97.41
547 97.57
548 97.73
549 97.92
550 98.05
551 98.15
552 98.20
553 98.18
554 98.14
555 98.03
556 97.85
557 97.73
558 97.52
559 97.37
560 97.22
561 97.10
562 97.02
563 96.95
564 96.96
565 96.97
566 97.06
567 97.15
568 97.28
569 97.42
570 97.58
571 97.71
572 97.88
573 97.97
574 98.07
575 98.12
576 98.17
577 98.15
578 98.14
579 98.03
580 97.98
581 97.85
582 97.77
583 97.59
584 97.45
585 97.34
586 97.22
587 97.09
588 97.04
589 96.95
590 96.89
591 96.91
592 96.96
593 97.00
594 97.07
595 97.17
596 97.29
597 97.42
598 97.56
599 97.70
600 97.84
601 98.00
602 98.11
603 98.24
604 98.34
605 98.39
606 98.43
607 98.42
608 98.41
609 98.36
610 98.29
611 98.22
612 98.10
613 97.96
614 97.83
615 97.70
616 97.52
617 97.35
618 97.22
619 97.08
620 96.95
621 96.82
622 96.72
623 96.64
624 96.54
625 96.51
626 96.49
627 96.51
628 96.55
629 96.57
630 96.68
631 96.76
632 96.84
633 96.93
634 97.09
635 97.20
636 97.35
637 97.46
638 97.58
639 97.69
640 97.81
641 97.90
642 97.97
643 98.03
644 98.12
645 98.15
646 98.18
647 98.17
648 98.18
649 98.14
650 98.08
651 98.04
652 97.98
653 97.90
654 97.81
655 97.71
656 97.62
657 97.56
658 97.48
659 97.38
660 97.31
661 97.24
662 97.18
663 97.14
664 97.11
665 97.09
666 97.07
667 97.06
668 97.08
669 97.11
670 97.16
671 97.20
672 97.27
673 97.32
674 97.43
675 97.46
676 97.55
677 97.67
678 97.72
679 97.80
680 97.84
681 97.92
682 97.97
683 98.03
684 98.04
685 98.07
686 98.05
687 98.04
688 98.03
689 98.00
690 97.95
691 97.86
692 97.80
693 97.69
694 97.61
695 97.47
696 97.35
697 97.23
698 97.06
699 96.91
700 96.77
701 96.61
702 96.48
703 96.31
704 96.18
705 96.04
706 95.92
707 95.80
708 95.69
709 95.60
710 95.52
711 95.46
712 95.43
713 95.38
714 95.36
715 95.36
716 95.37
717 95.41
718 95.47
719 95.51
720 95.60
721 95.69
722 95.79
723 95.91
724 96.05
725 96.17
726 96.32
727 96.48
728 96.66
729 96.79
730 96.97
731 97.10
732 97.27
733 97.44
734 97.60
735 97.72
736 97.88
737 97.98
738 98.11
739 98.19
740 98.31
741 98.35
742 98.40
743 98.45
744 98.48
745 98.51
746 98.50
747 98.47
748 98.45
749 98.37
750 98.31
751 98.22
752 98.11
753 97.99
754 97.86
755 97.73
756 97.60
757 97.46
758 97.31
759 97.13
760 96.97
761 96.79
762 96.65
763 96.49
764 96.33
765 96.16
766 96.01
767 95.85
768 95.73
769 95.60
770 95.47
771 95.35
772 95.24
773 95.14
774 95.08
775 95.01
776 94.96
777 94.92
778 94.89
779 94.85
780 94.87
781 94.86
782 94.85
783 94.91
784 94.94
785 94.98
786 95.03
787 95.07
788 95.16
789 95.22
790 95.29
791 95.37
792 95.47
793 95.56
794 95.65
795 95.75
796 95.76
797 95.90
798 96.01
799 96.11
800 96.20
801 96.24
802 96.36
803 96.39
804 96.46
805 96.48
806 96.56
807 96.57
808 96.60
809 96.62
810 96.61
811 96.63
812 96.58
813 96.57
814 96.52
815 96.49
816 96.44
817 96.37
818 96.27
819 96.21
820 96.13
821 96.02
822 95.95
823 95.80
824 95.71
825 95.60
826 95.46
827 95.32
828 95.20
829 95.08
830 94.96
831 94.82
832 94.71
833 94.58
834 94.49
835 94.35
836 94.27
837 94.15
838 94.07
839 93.95
840 93.84
841 93.79
842 93.71
843 93.66
844 93.59
845 93.56
846 93.53
847 93.51
848 93.46
849 93.46
850 93.46
851 93.48
852 93.50
853 93.54
854 93.55
855 93.62
856 93.66
857 93.71
858 93.79
859 93.88
860 93.97
861 94.05
862 94.15
863 94.24
864 94.37
865 94.45
866 94.57
867 94.67
868 94.80
869 94.91
870 95.00
871 95.11
872 95.20
873 95.33
874 95.44
875 95.55
876 95.66
877 95.75
878 95.85
879 95.92
880 96.00
881 96.07
882 96.15
883 96.23
884 96.24
885 96.31
886 96.33
887 96.40
888 96.41
889 96.43
890 96.35
891 96.38
892 96.28
893 96.27
894 96.23
895 96.19
896 96.07
897 96.02
898 95.89
899 95.82
900 95.66
901 95.60
902 95.44
903 95.33
904 95.14
905 95.03
906 94.86
907 94.72
908 94.53
909 94.36
910 94.19
911 94.02
912 93.82
913 93.66
914 93.48
915 93.28
916 93.11
917 92.93
918 92.73
919 92.60
920 92.41
921 92.28
922 92.07
923 91.94
924 91.76
925 91.64
926 91.48
927 91.35
928 91.19
929 91.12
930 90.97
931 90.96
932 90.79
933 90.72
934 90.59
935 90.61
936 90.48
937 90.43
938 90.36
939 90.42
940 90.34
941 90.40
942 90.38
943 90.40
944 90.42
945 90.49
946 90.50
947 90.55
948 90.61
949 90.72
950 90.79
951 90.90
952 90.97
953 91.11
954 91.19
955 91.35
956 91.47
957 91.64
958 91.77
959 91.94
960 92.08
961 92.27
962 92.43
963 92.66
964 92.81
965 93.00
966 93.18
967 93.40
968 93.58
969 93.78
970 93.98
971 94.17
972 94.37
973 94.51
974 94.76
975 94.96
976 95.19
977 95.36
978 95.57
979 95.71
980 95.90
981 96.09
982 96.27
983 96.43
984 96.58
985 96.71
986 96.87
987 96.99
988 97.11
989 97.21
990 97.33
991 97.39
992 97.50
993 97.57
994 97.65
995 97.67
996 97.72
997 97.74
998 97.76
999 97.75
1000 97.77
1001 97.72
1002 97.72
1003 97.63
1004 97.62
1005 97.53
1006 97.43
1007 97.33
1008 97.21
1009 97.13
1010 97.04
1011 96.85
1012 96.73
1013 96.57
1014 96.46
1015 96.25
1016 96.11
1017 95.90
1018 95.70
1019 95.51
1020 95.30
1021 95.06
1022 94.88
1023 94.64
1024 94.42
1025 94.20
1026 93.98
1027 93.72
1028 93.48
1029 93.27
1030 93.07
1031 92.75
1032 92.52
1033 92.27
1034 92.05
1035 91.78
1036 91.53
1037 91.34
1038 91.11
1039 90.88
1040 90.66
1041 90.43
1042 90.19
1043 89.98
1044 89.75
1045 89.55
1046 89.33
1047 89.16
1048 88.96
1049 88.78
1050 88.58

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

 

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