Korea Optical Lens manufacturer, Optical Plastic Lens, Progressive Lens, Spheric Lens, Aspheric Lens |Clex
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Optical Plastic Lens SEMI-FINISHED LENS

1.56 Blended Bifocal Lens

Material : 1.56 Index Resin (Ne=1.549, Abbe=38, Specific gravity=1.28)
Add Power : +1.00 tp +3.00 in 0.25D steps.
Segment Size : 28mm

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 1.530
4.25 4.24 4.09 1.54 2.41 129.50 132.50 8.9 11.7 75
6.25 6.27 6.06 2.28 3.58 87.50 88.80 11.3 8.8
Center Thickness : 0.5mm Edge Thickness : 0.5mm Diameter Ranges : 0.5mm

Korea Optical Lens manufacturer, Optical Plastic Lens, Progressive Lens, Spheric Lens, Aspheric Lens |Clex

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