Navigator Short 1.56 SunSensors Gray & Brown
(1.555 Mid Index)
74mm Diameter Lens Blank
Distance decentration: 3mm
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

1.25

1.16

3.0

15.4

13.9

3.25

3.25

6.0

11.7

9.0

5.50

5.61

6.0

8.4

8.9

7.50

7.66

6.0

8.5

12.2