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Optical Polycarbonate Lens

SEMI-FINISHED LENS

1.59 Polycarbonate Spheric Lens

 Material : 1.59 Index Resin(Nd=1.586, Abbe value=32, Specific gravity=1.20)
CONVEX SURFACE CONCAVE
SURFACE
C.T
(mm)
E.T
(mm)
Dia
(mm)
Nominal
Curve
True
Curve
Sag
(sagitta : 40mm)
Sag
(sagitta : 50mm)
Radius Radius
0.50 0.734 0.25 0.39 798.63 132.50 12.1 16.5 73
0.50 0.793 0.27 0.42 739.38 8.6 13.0
1.50 1.823 0.62 0.97 321.39 84.80 6.0 12.0
2.50 2.768 0.94 1.47 211.74 7.0 12.0
3.50 3.948 1.34 2.10 148.42 6.5 10.0
4.25 4.744 1.61 2.52 123.53 6.4 9.0
5.25 5.772 1.96 3.08 101.52 7.7 9.0
6.00 6.416 2.18 3.43 91.33 7.2 8.0
7.50 8.158 2.78 4.39 71.83 10.0 8.0
8.50 9.276 3.17 5.03 63.18 10.8 8.0
Center Thickness : 0.3mm Edge Thickness : 0.3mm Diameter Ranges : 0.5mm

 1.59 Polycarbonate Flat Top Bifocal Lens

 Material : 1.59 Index Resin(Nd=1.59, Abbe value=32, Density=1.20)
 Lens Size : 70mm diameter with optics centered
 Base Curve : 2.00, 4.00, 6.00
 Add Power : +1.00 to +3.00 in 0.25D steps.
 Segement Placement : 5.5mm down - 5.5mm in
 Segement Size : 28mm

Base Curve Center Thickness Edge Thickness Diameter
2.00 12.20 14.00 70
4.00 10.60 12.50 70
6.00 9.00 8.50 70
Center Thickness : 0.3mm Edge Thickness : 0.3mm Diameter Ranges : 0.5mm