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　 General Conditions
　 CR-39 Hard Resin Lens
　 1.56 Middle Index Hard
　　Resin Lens
　 1.56 Photochromic Hard
　　Resin Lens
　 1.59 Polycarbonate Lens
　 1.61 Hi - Index Hard
　　Resin Lens
　 Mineral White 1.523
　　Optical Lens
　 Mineral 1.7/1.8/1.9
　　Hi-index Lens
　 Mineral Photochromic Lens
　 Sunlens & polarized lens
 
  1.61 Hi - index Hard Resin Lens
 
 
Refraction index Nd=1.61.
Abbe value 42.
Density 1.28 g/cm3.
Thinner and lighter than CR-39 lenses & 1.56 middle index lenses.
High scratch resistance, super-hard protection coated.
HMC and HMC+EMI coating available.
Absorb UV-ray and provide effective protection for the eyes.
 
  Slim 161 - Dia65mm
  Regular 161 - Dia72mm
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