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Light Balancing Filters ( LA,LB ) |
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The features of these filters include gradually increasing or decreasing the transmittance in the visible range.
This type of filter is used for converting or controlling color temperature when photographing.Adjust the polished thickness to create a filter with the capacity for any color temperature conversion. |
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Transmittance |
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Use our transmittance simulation software for further information on transmittance. |
![[Transmission simulation software]](eo_img/eo_btn_download.gif) |
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Light Balancing Filter: Data |
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| Item / Name |
Standard value |
Color specification
(Standard illuminants A) |
Thick-ness |
Reflective index |
Chemical properties |
Thermal properties |
Mechanical properties |
Specific gravity |
| V (mired) |
x |
y |
mm |
600nm |
DW |
DA |
Tg |
TS |
α
-30/
70 |
α
100/
300 |
HK |
FA |
S |
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LA20 |
+20±5 |
0.467 |
0.408 |
— |
1.547 |
2 |
1 |
505 |
545 |
89 |
102 |
520 |
130 |
2.73 |
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LA40 |
+40±5 |
0.469 |
0.413 |
— |
1.554 |
2 |
1 |
505 |
550 |
88 |
102 |
520 |
130 |
2.76 |
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E-LA80 |
+80±5 |
0.490 |
0.415 |
— |
1.526 |
3 |
1 |
510 |
560 |
100 |
113 |
530 |
130 |
2.67 |
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E-LA100 |
+100±5 |
0.500 |
0.415 |
— |
1.525 |
3 |
1 |
510 |
560 |
100 |
113 |
530 |
130 |
2.67 |
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E-LA120 |
+120±5 |
0.510 |
0.415 |
— |
1.524 |
3 |
1 |
515 |
565 |
99 |
110 |
530 |
130 |
2.68 |
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E-LA140 |
+140±5 |
0.519 |
0.415 |
— |
1.524 |
3 |
1 |
515 |
565 |
99 |
110 |
530 |
130 |
2.68 |
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E-LA200 |
+200±5 |
0.545 |
0.411 |
— |
1.529 |
3 |
1 |
515 |
565 |
99 |
110 |
530 |
130 |
2.68 |
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| Item / Name |
Standard value |
Color specification
(Standard illuminants A) |
Thick-ness |
Reflective index |
Chemical properties |
Thermal properties |
Mechanical properties |
Specific gravity |
| V (mired) |
x |
y |
mm |
600nm |
DW |
DA |
Tg |
TS |
α
-30/
70 |
α
100/
300 |
HK |
FA |
S |
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LB20 |
-20±5 |
0.433 |
0.406 |
— |
1.522 |
3 |
1 |
470 |
515 |
95 |
117 |
490 |
110 |
2.81 |
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LB40 |
-40±5 |
0.417 |
0.404 |
— |
1.509 |
2 |
1 |
460 |
515 |
92 |
115 |
490 |
110 |
2.81 |
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LB80 |
-80±5 |
0.388 |
0.398 |
— |
1.541 |
2 |
1 |
460 |
510 |
99 |
116 |
490 |
110 |
2.83 |
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LB100 |
-100±5 |
0.380 |
0.384 |
— |
1.534 |
2 |
1 |
460 |
505 |
97 |
114 |
490 |
110 |
2.81 |
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LB120 |
-120±5 |
0.365 |
0.379 |
— |
1.517 |
2 |
1 |
480 |
535 |
94 |
105 |
520 |
130 |
2.57 |
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LB140 |
-140±5 |
0.353 |
0.371 |
— |
1.513 |
1 |
1 |
480 |
535 |
95 |
107 |
520 |
130 |
2.57 |
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LB200 |
-200±7 |
0.316 |
0.342 |
— |
1.514 |
1 |
1 |
480 |
530 |
92 |
105 |
520 |
130 |
2.57 |
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* The listed data are standard values. As we are always improving our products,
the data listed are subject to change without notice. |
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Explanation about the specification values in the tables is displayed. |
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Explanation about the items other than specification values in the tables is displayed. |
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