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Optical Plastic Lens SEMI-FINISHED LENS

 1.60 Transitions VII Spheric Lens (Brown/ Gray)

 Material : 1.60 Index Resin (Ne=1.601, Abbe value=40, Specific gravity=1.34)
CONVEX SURFACE CONCAVE
SURFACE
C.T
(mm)
E.T
(mm)
Dia
(mm)
Nominal
Curve
True
Curve
Sag
(sagitta:40mm)
Sag
(sagitta:50mm)
Radius
Back Curve Radius
1.601 1.530
0.50 0.58 0.51 0.19 0.30 1,044.10 6.92 86.89 10.8 17.7 72
1.75 1.92 1.70 0.64 1.00 312.38 6.24 96.39 11.2 17.3 80
2.75 2.93 2.58 0.98 1.53 205.34 7.26 82.75 6.5 12.6
3.75 4.14 3.65 1.38 2.17 145.21 7.6 12.3
4.75 4.91 4.33 1.65 2.58 122.43 5.26 114.22 9.4 10.0
6.00 6.33 5.58 2.13 3.35 94.90 10.7 9.2
6.75 7.65 6.75 2.59 4.09 78.52 6.24 96.39 12.3 10.7
8.50 9.63 8.49 3.29 5.23 62.40 7.26 82.75 13.0 10.1 75
Center Thickness:0.5mm Edge Thickness:0.5mm Diameter Ranges:0.5mm