protective coating
(subgroup of
coating)
→
HasA
→
refractive index
|
0.56 | |
| lens → HasA → refractive index | 0.36 | |
| fluid → HasA → refractive index | 0.33 | |
| coating → HasA → refractive index | 0.33 | |
lens element
(aspect of
lens)
→
HasA
→
refractive index
|
0.32 | |
| emerald → HasA → refractive index | 0.16 |