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Optical Parts
Color Glass Filter
"HOYA Materials" Blue Filter
Detailed data sheet
Detailed data sheet
< Standard Value >
λTmax (nm)
Highest Transmission Rate Wavelength.
Tmax (%)
Highest Transmission Rate.
λS1 (nm)
From the short wavength range in the transmission range, wavelength in transmission rate less than 1 %.
λ80 (nm)
From long wavelength side in transmitted range, wavelength in transmission rate in less than 5%.
Model number
Standard Value
Color Degree
(Standard
Light
Source A)
Refrac tive
Index
Chemical
Charactor
Heating
Charactor
Mechanical
Charactor
Specific
Gravity
λTmax
(nm)
Tmax
(%)
λS1
(nm)
λ80
(nm)
x
y
nd
Dw
DA
Tg
Ts
α
-30 / 70
α
100 / 300
Hk
FA
S
B370-50-2.5
370
82 ±3
290 <
< 480
0.176
0.019
-
2
1
480
570
45
48
570
70
2.36
B390-50-2.5
390
78 ±3
310 <
< 510
0.151
0.030
-
1
1
485
535
92
104
510
110
2.56
B410-50-2.5
410
91 ±3
250 <
< 600
0.194
0.351
1.468
3
4
410
500
70
79
420
120
2.27
B440-50-2.5
440
47 ±3
350 <
< 520
0.147
0.079
-
1
1
480
535
90
105
530
110
2.70
B460-50-2.5
460
85 ±3
390 <
< 700
0.273
0.402
1.530
2
1
505
555
94
109
540
110
2.60
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