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Mineral Glass 1.70 High Index Single Vision Lenses
1.56 Middle Index Single Vision Optical Lenses
1) Refractive index: 1.56 2) Abbe value: 38 3) Specific gravity: 1.28 4) 35% thinner than CR-39 lenses slim and ...
Product Category: Optical Instrument & Parts
Product Group: Spherical Lens
CR-39 1.499 Finished Single Vision Plastic Resin Lenses
1) Refractive index: 1.499 2) Abbe value: 58 3) Specific gravity: 1.32 4) Raw materials are imported: PPG and AT ...
Product Category: Eyeglass Lenses
Product Group: Plastic Resin Lens