Quick Information
- Place of Origin:Korea
Description
SEMIX-LENTICULAR Semi-Finished Bifocal Lenticular Uncoated Blank
Specifications and Availability
- Material : 1.67 Index Resin (nd=1.549, Abbe=40, Specific gravity=1.28)
- Lens Size : 65mm Diameter with optics centered
- Nominal Base Curve : 12.0, 14.0, 16.0
- Tolerance of Center & EdgeThickness : ± 0.3mm
- Tolerance of Diameter : ± 0.5mm
Middle Index 1.67 65mm Bifocal Lenticular Blank Data Sheet
|
Diameter
|
Nominal
convex curve |
Power
range |
Actual
convex curve |
Far vision
Convex |
Sagitta
depth Gauge |
Center
Thickness |
Edge
Thickness |
|
(mm)
|
(D)
|
(D)
|
(N=1.549)
(D) |
Radius
(R1 in mm) |
50 mm bell
(mm) |
(mm)
|
(mm)
|
|
65.00
|
12.00
|
+9.00
to +12.00 |
13.47
|
40.77
|
8.56
|
15.30
|
8.70
|
|
65.00
|
14.00
|
+12.25
to +14.25 |
15.65
|
35.08
|
10.47
|
14.00
|
8.80
|
|
65.00
|
16.00
|
+14.50
to +20.00 |
17.95
|
30.58
|
12.97
|
15.20
|
8.70
|
Middle Index 1.56 Bifocal Lenticular Design
