index of refraction for CR-39

1.49

index of refraction for crown glass

1.523

index of refraction for polycarbonate

1.58

index of refraction for HI-index

1.67

abbe value of crown glass

59

abbe value of CR-39

58

Abbe value of HI-index

36

abbe value of polycarbonate

30

wave length of red

700-635

wave length of green

560-515

wave length of violet

450-400