KODAK InstaShades 1.56 EvoClear® Single Vision Gray & Brown
(1.557 Mid Index)
72mm Diameter Lens Blank
Adds in 0.25 diopter steps from 1.00 to 3.00
Nominal Curve True Curve Radius mm SAG at 50mm Nominal Concave Edge Thickness Center Thickness

0.50

0.42

6.00

16.5

9.6

2.00

1.83

6.00

16.7

11.5

4.12

3.92

6.00

16.0

14.2

6.12

5.90

6.00

15.2

15.3

8.50

8.40

6.00

11.6

15.4