semi-finished bifocal lenses
MateriaI Refractive Index=I.499 Tooling index=1.530
|
Diameter |
Nominl Curve |
TC |
Rad |
Back Curve |
E T |
C T |
Sag |
Seg lnseI |
Seg Drop |
Add Range |
Rx Range ：ecommended |
|
70/28mm |
200 |
2.00 |
256.OO |
5.60 |
11.00 |
6.00 |
1.18 |
5 |
5 |
l.00-3.50 |
-2.00D/-5.00D |
|
70/28mm |
400 |
3.94 |
l34.50 |
5.60 |
9.00 |
7.50 |
2.34 |
5 |
5 |
l.00-3.50 |
-1.00D/-3.00D |
|
70/28mm |
600 |
6.00 |
88.33 |
5.60 |
9.00 |
8.80 |
3.61 |
5 |
5 |
l.00-3.50 |
+2.00D/-2.00D |
|
70/28mm |
800 |
8.00 |
88.33 |
5.60 |
7.00 |
9.50 |
4.90 |
5 |
5 |
l.00-3.50 |
+2.00D/+5.00D |
1．56nd S／F Round Top Bifocal Lenses
Material Refractive Index=I 499 Tooling index=l.530
|
Diameter |
Nominl Curve |
TC |
Rad |
Back Curve |
E T |
C T |
Sag |
Seg lnseI |
Seg Drop |
Add Range |
Rx Range ：ecommended |
|
70/8mm |
200 |
2.00 |
256.OO |
5.60 |
11.00 |
6.00 |
1.18 |
0 |
7 |
l.00-3.50 |
-2.00D/-5.00D |
|
70/8mm |
400 |
3.94 |
l34.50 |
5.60 |
9.00 |
7.50 |
2.34 |
0 |
7 |
l.00-3.50 |
-1.00D/-3.00D |
|
70/8mm |
600 |
6.00 |
88.33 |
5.60 |
9.00 |
8.80 |
3.61 |
0 |
7 |
l.00-3.50 |
+2.00D/-2.00D |
|
70/8mm |
800 |
8.00 |
66.25 |
5.60 |
7.00 |
9.50 |
4.90 |
0 |
7 |
l.00-3.50 |
+2.00D/+5.00D |
Note：TC：Ture Curve：Rad：Radiusl(mm)：E T；Edge Tllickness(mm)；C.T：Center Thickess(mm)；Sag at
Material Refractive Index=I 499 Tooling index=l.530
|
Diameter |
Nominl Curve |
TC |
Rad |
Back Curve |
E T |
C T |
Sag |
Seg lnseI |
Seg Drop |
Add Range |
Rx Range ：ecommended |
|
70/28mm |
200 |
2.00 |
256.OO |
5.60 |
11.00 |
6.00 |
1.18 |
0 |
7 |
l.00-3.50 |
-2.00D/-5.00D |
|
70/28mm |
400 |
3.94 |
l34.50 |
5.60 |
9.00 |
7.50 |
2.34 |
0 |
7 |
l.00-3.50 |
-1.00D/-3.00D |
|
70/28mm |
600 |
6.00 |
88.33 |
5.60 |
9.00 |
8.80 |
3.61 |
0 |
7 |
l.00-3.50 |
+2.00D/-2.00D |
|
70/28mm |
800 |
8.00 |
66.25 |
5.60 |
7.00 |
9.50 |
4.90 |
0 |
7 |
l.00-3.50 |
+2.00D/+5.00D |
Note：TC：Ture Curve：Rad：Radiusl(mm)：E T；Edge Tllickness(mm)；C.T：Center Thickess(mm)；Sag at