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 Photochromic Flat Top Bifocal Lens (Brown / Grey)

Material : 1.56 Index Resin (Ne=1.549, Abbe=43, Specific gravity=1.14)
Segment Placement=5mm down~5mm in
Add Power=+1.00 to + 3.50 in 0.25D steps
Segment Size=27mm
CONVEX SURFACE CONCAVE
SURFACE		 C.T
(mm)		 E.T
(mm)		 Dia
(mm)
Nominal
Curve		 True
Curve		 Sag
(sagitta:40mm)		 Radius
 Radius
1.549 1.530
4.25 4.17 4.02 1.50 131.74 132.50 8.0  8.0 75
6.25 6.35 6.13 2.30  86.45 88.80 8.0  7.0
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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