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Optical Plastic Lens SEMI-FINISHED LENS

 1.56 Photochromic Single Vision Lens

 Material : 1.55 Index Resin(Ne=1.549 Abbe value=43, Specific gravity=1.14)
Color : Brown, Gray
CONVEX SURFACE CONCAVE
SURFACE
C.T
(mm)
E.T
(mm)
Dia
(mm)
Nominal
Curve
True
Curve
Sag
(sagitta:40mm)
Sag
(sagitta:50mm)
Radius Radius
1.549  
0.50 0.49   0.18 0.28 1,112.77 124.50  7.5 12.0 70
1.00 1.11   0.40 0.63 494.40  7.5 11.2
2.00 2.06   0.75 1.17 266.84  7.5 10.2
3.00 3.01   1.09 1.71 182.23  7.5  9.2
4.00 3.83   1.39 2.17 143.29  8.5  9.3
5.00 5.33   1.93 3.03 103.09  9.5  7.5
6.00 5.87   2.13 3.35 93.56  9.5  7.8
7.00 7.48   2.72 4.29 73.43  9.3  6.0
8.00 8.16   2.97 4.70 67.32 10.6  5.7
9.00 9.40   3.44 5.47 58.39 13.0  6.3
10.00 10.42   3.83 6.11 52.68 13.5  5.3
Center Thickness : 0.5mm Edge Thickness : 0.5mm Diameter Ranges : 0.5mm