Armorlite™ - Trifocal 7x25 (Standard Index 1.498) 70mm Diameter Lens Blank Segment Displacement: 5mm in, 3mm down Adds are in 0.25 diopter steps from 1.50 to 3.00

Nominal Curve	True Curve	Radius (mm)	SAG at 50	Nominal Concave	Edge Thickness	Center Thickness
3.00	3.04	174.342	1.80	6.00	12.5	8.8
4.50	4.56	116.228	2.72	6.00	12.5	10.7
6.25	6.31	83.994	3.81	6.00	8.0	8.4
8.25	8.35	63.473	5.13	6.00	8.0	11.3
10.00	10.14	52.268	6.37	6.00	8.0	14.2