Lens Material Properties Summary

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Lens Material Properties
Material	Index	Specific Gravity (g/cm3)	Abbe	Reflectannce	Transmittance UVA (286 - 320 nm)	Transmittance UVB (320 - 380 nm)
CR-39	1.50	1.32	58	4.0	10.3	0.0
Poly	1.58	1.21	29	5.2	0.0	0.0
1.60 (MR6)	1.60	1.22	42	5.3	0.0	0.0
1.66 (MR7)	1.66	1.35	32	6.2	0.0	0.0
Trivex	1.53	1.11	46	4.4	0.0	0.0
Crown Glass	1.52	2.54	59	4.3	84.3	30.5
1.60 Glass	1.60	2.60	42	5.3	39.1	0.1
1.70 Glass	1.71	3.20	35	6.7	24.6	0.0
1.80 Glass	1.81	3.66	35	8.2	19.5	0.0