MidOpt

Transmission data sheet
BP470 · Rev 06/26 · Sheet 1/1

BP470 Blue Bandpass Filter

[ Specifications ]

Useful range425–495nm

FWHM85nm

Peak transmission≥90%

Tolerance+/- 15nm

Surface quality40/20

Compatible LED450/465/470nm

[ Transmission curve — typical ]

[ Data points — 10nm · typical ]

Wavelength (nm)	Transmission (%)
1100	0.46
1090	0.38
1080	0.28
1070	0.22
1060	0.17
1050	0.14
1040	0.13
1030	0.14
1020	0.20
1010	0.33
1000	0.53
990	0.48
980	0.28
970	0.19
960	0.15
950	0.18
940	0.33
930	0.56
920	0.33
910	0.15
900	0.15
890	0.15
880	0.17

Wavelength (nm)	Transmission (%)
870	0.27
860	0.14
850	0.07
840	0.02
830	0.01
820	0.01
810	0.01
800	0.01
790	0.01
780	0.01
770	0.01
760	0.03
750	0.06
740	0.03
730	0.03
720	0.05
710	0.09
700	0.29
690	0.23
680	0.05
670	0.03
660	0.02
650	0.04

Wavelength (nm)	Transmission (%)
640	0.09
630	0.28
620	0.31
610	0.30
600	0.32
590	0.28
580	0.32
570	0.23
560	0.20
550	0.36
540	0.44
530	0.25
520	0.49
510	3.40
500	45.73
490	95.00
480	96.91
470	96.86
460	95.96
450	93.78
440	92.81
430	93.53
420	71.66

Wavelength (nm)	Transmission (%)
410	4.03
400	0.00
390	0.00
380	0.00
370	0.00
360	0.01
350	0.01
340	0.01
330	0.00
320	0.00
310	0.01
300	0.00
290	0.00
280	0.00
270	0.00
260	0.00
250	0.00
240	0.00
230	0.00
220	0.00
210	0.00
200	0.00

TitleBP470 Blue Bandpass Filter

Part No.BP470

Rev06/26

Sheet1 / 1

Midwest Optical Systems, Inc. — typical data, actual performance may varyinfo@midopt.com · 847.359.3550 · midopt.com