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Optical Plastic Lens SEMI-FINISHED LENS

 1.60 Spheric Lens D80mm

 Material : 1.60 Index Resin (Ne=1.597, Abbe value=40, Specific gravity=1.30)
CONVEX SURFACE CONCAVE
SURFACE
C.T
(mm)
E.T
(mm)
Dia
(mm)
Nominal
Curve
True
Curve
Sag
(sagitta:40mm)
Sag
(sagitta:50mm)
Radius
Radius
1.597  
  4.00 4.36   1.43 2.24 138.99 90.50 8.4 11.8 80
  5.00 5.40   1.80 2.83 110.51 9.5 11.2
  6.00 6.73   2.25 3.54 88.644 87.29 9.5 9.7
  7.00 8.00   2.67 4.22 74.669 75.34 10.8 10.7
  8.00 8.86   2.97 4.70 67.360 69.96 11.5 10.9
Center Thickness:0.5mm Edge Thickness:0.5mm Diameter Ranges:0.5mm