1.60/1.67 Hi-index Hard Resin Lenses

・ Refraction index Nd=1.60 & Nd=1.67    

・ Abbe value 41 (Nd=1.60) & 31 (Nd=1.67)    

・ Density 1.28 g/cm3 (Nd=1.60) & 1.35 g/cm3 (Nd=1.67)    

・ Thinner and lighter than CR-39 1.5 lenses & 1.56 middle index lenses.    

・ High scratch resistance, super-hard protection coated.    

・ HMC+EMI coating available. Super Hydrophobic also available.    

・ UV cut-off at 400nm, absorbing UV-ray and providing effective protection to the eyes.    

・ UV400 + Blue Cut is available.    

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MR-7TM is a registered trademark of Mitsui Chemicals, Inc.