Navigator Polarshades Standard Resin Scratch Resistant Progressive Lens in brown and gray
(1.498 Standard Index)
78mm Diameter Lens Blank-
Distance decentration: 3mm

Adds in 0.25 diopter steps from 1.00 to 3.00
Nominal Base Curve Actual Base Curve Radius mm 50mm Sag Values Concave Curve Edge
Thickness
Center Thickness
3.25 3.26 6.00 15.2 11.7
5.00 5.30 6.00 12.2 11.8
7.00 7.08 6.00 9.3 11.9