SF 1.74 Single Vision Lens UC
Material Refractive Index=1.738 Tooling Index=1.530
DIA (mm)	Nominal Curve	True Base (Nd-1.530)		Radius (mm)		Sag at 50mm		Thickness (mm)
DIA (mm)	Front	Front	Back	Front	Back	Front	Back	Center	Edge
70	0.50	0.27	9.40	1942.10	56.38	0.16	5.85	5.50	17.00
70	1.50	1.04	9.40	511.81	56.38	0.61	5.85	7.50	18.70
70	2.25	1.57	8.20	338.07	64.63	0.93	5.03	7.00	15.50
75	3.50	2.47	6.90	214.87	76.81	1.46	4.18	6.10	12.50
75	5.00	3.54	4.80	149.80	110.42	2.10	2.87	6.30	8.00
75	6.75	4.78	5.80	110.83	91.38	2.86	3.49	6.00	7.50
70	8.50	6.12	6.20	86.60	85.48	3.69	3.74	7.00	7.10
70	10.25	7.31	6.90	72.47	76.81	4.45	4.18	7.50	6.90
65	11.50	8.32	6.70	63.70	79.10	5.11	4.05	8.60	6.60
65	12.50	8.95	6.70	59.24	79.10	5.53	4.05	9.50	6.60
65	13.50	9.70	6.20	54.63	85.48	6.06	3.74	10.70	6.50
65	14.50	10.55	6.20	50.24	85.48	6.66	3.74	11.50	6.00
65	15.50	11.26	6.20	47.07	85.48	7.19	3.74	12.60	6.00
65	16.50	11.94	5.60	44.38	94.64	7.71	3.36	14.40	6.00

Semi Finished High Index 1.74 Single Vision Lenses

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