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Technique index sign :
1.Material:Green color filter
LB1/2/3/4/6/7/9/10/11/12/13/14/13/15/16/17/18/ (VG)optical glass
2.Surface quantity:0/0,40/20 80/50
3.Surface accuracy:1/10 into,1/4 into2 into
4.Thickness business trip:±0.01mm±0.02mm
5.Center deviation:5Arc second1Arc Minute
Green Glass Characteristic(LB1,LB2,LB3,LB4)
Type |
Thickness(mm) |
A[2856k] |
D65 |
Chemical Stability |
ND |
α×10-7 (/ºC) |
Tg (ºC) |
Ts (ºC) |
S |
|||||
x |
y |
Y |
x |
y |
Y |
DA |
DW |
|||||||
LB1 |
2 |
0.328 |
0.593 |
24.6 |
0.268 |
0.586 |
28.2 |
1 |
3 |
1.524 |
96 |
535 |
599 |
2.52 |
LB2 |
2 |
0.250 |
0.669 |
9.7 |
0.216 |
0.658 |
11.9 |
1 |
2 |
1.524 |
96 |
535 |
599 |
2.52 |
LB3 |
2 |
0.252 |
0.502 |
23.7 |
0.196 |
0.374 |
29.3 |
1 |
1 |
1.523 |
98 |
526 |
597 |
2.52 |
LB4 |
2 |
0.230 |
0.516 |
16.3 |
0.183 |
0.387 |
20.7 |
1 |
1 |
1.523 |
89 |
525 |
598 |
2.52
|