... 3. Transimission: over the 87% 4. Density(g/cm3) 1.70 white hi-index glass lens1. Diameter: 65mm2. Abble value ... low price7. if you are interested in it, feel free to contact with me for detailsBesides, we can supply you ... R, size 65/70 mm)2. CR-39 LENS (index 1.499, 1.56, 1.61, uncoated, H/C, H/M/C, size: ... blended bifocal and curve bifocal lens)4. PROGRESSIVE LENS. 1.70 asp white hi-index glass lens