Transitions® Gray & Brown Single Vision
(High Index 1.555)
75mm Diameter Lens Blank
Nominal Curve True Curve Radius (mm) Actual SAG at 50mm Nominal Concave Center Thickness Edge Thickness
0.50 0.44 1204.545 0.26 6.00 9.5 11.8
2.25 2.10 252.381 1.24 6.00 10.4 11.7
4.25 4.30 123.256 2.56 6.00 10.2 10.3
6.25 6.22 85.209 3.75 6.00 11.6 10.2
8.25 8.28 64.010 5.08 6.00 11.8 8.7