1.56 SunSensors® Flat Top 28 Gray & Brown
(1.555 Mid Index)
74mm Diameter Lens Blank
Displacement: 5mm in, 5mm down
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 0.45 3.0 16.2 13.0
2.00 1.91 6.0 14.5 9.1
4.12 4.02 6.0 10.8 8.0
6.12 6.01 6.0 6.8 6.0
8.50 8.45 6.0 5.2 9.0


1.56 SunSensors® Flat Top 35 gray
(1.555 Mid Index)
74mm Diameter Lens Blank
Displacement: 5mm in, 5mm down
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 0.45 3.0 16.2 13.0
2.00 1.91 6.0 14.5 9.1
4.12 4.02 6.0 10.8 8.0
6.12 6.01 6.0 6.8 6.0
8.50 8.45 6.0 5.2 9.0