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

 Clex 1.74 Spin Photochromic Spheric Lens

Material : 1.74 Index Resin (Ne=1.738, Abbe value=32, Specific gravity=1.47)
Color : Brown, Grey
CONVEX SURFACE CONCAVE SURFACE C.T
(mm)
E.T
(mm)
Dia
(mm)
Nominal
Curve
True
Curve
Sag
(sagitta:40mm)
Sag
(sagitta:50mm)
Radius
Radius
1.738 1.530
0.50 0.60 0.43 0.161 0.25 1,240.00 55.53 7.7 19.5 70
1.50 1.41 1.01 0.380 0.59 525.00 56.55 7.5 18.7
2.25 2.25 1.62 0.608 0.95 328.00 64.62 7.0 15.5
3.50 3.35 2.41 0.905 1.42 220.00 76.80 5.9 12.5 75
5.00 4.93 3.54 1.329 2.08 149.70 110.48 6.3 8.0
6.75 6.72 4.83 1.812 2.84 109.81 95.23 6.0 7.3
8.50 8.51 6.11 2.296 3.61 86.76 85.52 7.0 7.2 70
10.25 10.18 7.31 2.754 4.35 72.50 76.80 7.5 7.0
11.50 11.59 8.32 3.144 4.99 63.68 79.10 8.5 6.6 65
12.50 12.33 8.86 3.353 5.33 59.83 9.5 6.9
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