・ Refraction index Nd=1.59.
・ Abbe value 32.
・ Density 1.20 g/cm3.
・ Impact-resistant is more than 10 times higher than CR-39 hard resin lenses.
・ UV cut-off at 385nm, absorbing UV-ray and providing effective protection for the eyes.
・ UV400 + Blue Cut is available.
・ Super-hard protection coated.
・ HMC+EMI coating available, Super Hydrophobic also available.