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 Flat Top Bifocal Lens
Material : 1.56 Index Resin (Ne=1.549, Abbe=38, Specific gravity=1.28)
Segment Placement : 5mm down -5mm in
Add Power : +1.00 to +3.50 in 0.25D steps.
Segment Size : 28mm

CONVEX SURFACE CONCAVE
SURFACE		      
Mominal
Curve		 True
Curve		 Sag
(sagitta:40mm)		 Sag
(sagitta:50mm)		 Radius Radius CT
(mm)		 ET
(mm)		 Dia
(mm)
1.549 1.530
4.25 4.14 4.00 1.50 2.35 132.50 132.50 8.7 11.7 75
6.25 6.17 5.96 2.24 3.52 89.00 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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