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semi-finished progressive lenses


 

Specifications of 1.56 Semi—Finished Progressive Lenses

75mm

Convex

Concave

SAG

at 50

CT(mm)

ET(mm)

Add

Range

RXRange

 

Curvature

Radius(mm)

Curvature

Radius(rmn)

200BASE

2.64

200.80

4.00

132.50

1.56

10.00

12.00

1.00—3.00

-3.25D/-6.00D

400BASE

4.20

126.40

4.62

114.70

2.49

10.50

11.OO

1.00一3.00

-1.00D,-3.00D

60HOBASE

6_30

83.98

6.12

86.60

3.80

9.50

9.00

1.00—3.00

-0.75D/+2-25D

800BASE

8.45

62.80

6.12

86.60

5.19

10.OO

8.00

1.00一3.00

+2.50D/+5.50D