 
					| Refraction index (Nd) | Abbe value | Density (g/cm3) | Color | 
| 1.7 | 35 | 3.10 | White, Pink, Brown | 
| 1.8 | 35 | 3.65 | White, Pink | 
| 1.9 | 31 | 4.10 | White | 
・ Lighter, slimmer, and better looking, particularly suitable for high power lenses.    
・ AR multi-coating and AR+EMI coatings are available in greenish and bluish colors.
・ Absorbing UV-ray and providing effective protection for the eyes.