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Optical Plastic Lens SEMI-FINISHED LENS

 1.60 Photochromic Flat Top Bifocal Lens (Brown / Gray)

Material : 1.60 Index Resin (Ne=1.599, Abbe value=32, Specific gravity=1.16)
Add Power : +1.00 to +3.50 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
2.25 2.19 0.74 1.15 270.00 111.70 8.5 12.2 75
4.25 4.66 1.56 2.45 127.10 132.50 6.4 6.4
6.25 5.93 1.99 3.13 99.80 88.80 8.6 9.5
8.25 8.88 3.00 4.75 66.65 111.70 10.8 6.4 70
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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