Armorlite™ - Trifocal 8x35 (Standard Index 1.498) 70mm Diameter Lens Blank Segment Displacement: 4mm in, 2mm down Adds are in 0.25 diopter steps

Nominal Curve	True Curve	Radius (mm)	SAG at 50	Nominal Concave	Edge Thickness	Center Thickness	Adds in 0.25 Diopter Steps
1.50	1.51	350.993	0.89	6.00	18.0	12.5	2.00 to 4.00
3.00	3.04	174.342	1.80	6.00	12.5	8.8	2.00 to 4.00
4.50	4.56	116.228	2.72	6.00	12.5	10.7	1.50 to 4.00
6.25	6.31	83.994	3.81	6.00	8.0	8.4	1.50 to 4.00
8.25	8.35	63.473	5.13	6.00	8.0	11.3	1.50 to 4.00