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Glass Ceramics
Optical Filters
Calibration Filters
Cold Mirrors
Colour Beamsplitter Mirrors
Colour Correction Filters
FULL CTO
HALF CTO
QUARTER CTO
Dichroic Colour Filters
Heat Absorbing Filters
Hot Mirrors
Hoya
IR Cut Off Filters
Photopic Filters
Schott
UV Blocking Filters
Optical Glasses
Optical Materials
Technical Glasses
COLOUR CORRECTION FILTER HALF C.T.O (5500°K ~ 3800°K)
T50%=537nm
WAVE.
T%
WAVE.
T%
WAVE.
T%
WAVE.
T%
WAVE.
T%
380
26.18
460
20.37
540
51.86
620
87.29
700
74.43
385
26.77
465
20.90
545
55.52
625
86.98
705
73.88
390
26.55
470
21.65
550
58.98
630
86.48
710
73.21
395
25.87
475
22.63
555
62.49
635
85.96
715
72.62
400
24.65
480
23.65
560
66.09
640
85.18
720
72.06
405
23.67
485
24.89
565
69.35
645
84.38
725
71.67
410
22.45
490
26.32
570
72.66
650
83.52
730
71.39
415
21.30
495
27.91
575
75.50
655
82.54
735
71.00
420
20.68
500
29.76
580
78.38
660
81.56
740
70.71
425
20.17
505
31.80
585
80.68
665
80.58
745
70.56
430
19.73
510
34.07
590
82.71
670
79.64
750
70.45
435
19.36
515
36.51
595
84.33
675
78.58
755
70.28
440
19.19
520
39.22
600
85.63
680
77.74
760
70.29
445
19.28
525
42.25
605
86.58
685
76.87
765
70.20
450
19.53
530
45.33
610
87.12
690
75.99
770
70.27
455
19.95
535
48.53
615
87.32
695
75.26
775
70.45
WHILE EVERY ATTEMPT HAS BEEN MADE TO VERIFY THE SOURCE OF THE INFORMATION, NO RESPONSIBILITY IS ACCEPTED FOR ACCURACY OF DATA.