Quick Information
- Place of Origin:Korea
Description
SEMIX Semi-Finished Single Vision Uncoated Blank
Specifications and Availability
- Material : 1.61 Index Resin (nd=1.592, Abbe=42, Specific gravity=1.34)
- Lens Size : 70mm Diameter with optics centered
- Tolerance of Center & EdgeThickness : ± 0.3mm
- Tolerance of Diameter : ± 0.5mm
High Index 1.61 70mm Aspherical Blank Data Sheet
|
Nominal
Base curve |
Actual
convex curve |
Sagitta
depth Gauge |
Far vision
Convex |
Concave
|
Power
Range |
Center
Thickness |
Edge
Thickness |
|
(D)
|
(N=1.592)
(D) |
50 mm bell
(mm) |
Radius
(R1 in mm) |
Radius
(R2 in mm) |
(D)
|
(mm)
|
(mm)
|
|
0.50
|
0.47
|
0.25
|
1250.080
|
88.86
|
-5.00
to -16.00 |
8.8
|
15.5
|
|
1.00
|
1.01
|
0.53
|
588.410
|
88.86
|
-3.50
to -4.75 |
8.7
|
14.4
|
|
2.00
|
2.01
|
1.06
|
294.457
|
88.86
|
-2.50
to -3.25 |
8.8
|
13.5
|
|
3.00
|
3.10
|
1.64
|
191.000
|
88.86
|
-1.50
to -2.25 |
8.6
|
12.8
|
|
4.00
|
4.88
|
2.60
|
121.312
|
88.86
|
-1.25
to +1.25 |
7.9
|
10.1
|
|
5.00
|
5.92
|
3.17
|
100.019
|
88.86
|
+1.50
to +2.75 |
9.2
|
10.2
|
|
6.00
|
6.78
|
3.65
|
87.367
|
88.86
|
+3.00
to +3.75 |
8.6
|
9.0
|
|
7.00
|
7.20
|
3.89
|
82.206
|
88.86
|
+4.00
to +4.75 |
9.0
|
8.9
|
|
8.00
|
8.24
|
4.49
|
71.842
|
88.86
|
+5.00
to +6.00 |
9.2
|
7.5
|
|
9.00
|
9.48
|
5.22
|
62.435
|
88.86
|
+6.25
to +7.75 |
11.0
|
7.3
|
|
10.00
|
10.78
|
6.02
|
54.940
|
88.86
|
+8.00
to +8.75 |
13.7
|
9.0
|
|
12.00
|
12.65
|
7.24
|
46.790
|
98.59
|
+9.00
to +11.50 |
15.5
|
7.0
|
