CR-39 Resin Lens 1.499 Index
1) Reflective Index :1.49/1.499/1.50
2) Diameter : 56mm / 60mm / 65mm / 70mm
3) Abbe Value : 58
4) Transmission : over the 98%
5) Abrasion Resistance : 6/8H
7) Power : SPH +6.00 ~ -6.00 , CYL 0.00 ~ -2.00
RX Power : SPH +6.25 ~ +8.00 , -6.25~ -10.00
CYL -2.25 ~ -4.00
The other items also could be provided for your evaluation :
** Cr-39 1.499 single vision lens
** Cr-39 1.499 round-top bifocal lens
** Cr-39 1.499 flat-top bifocal lens
** Cr-39 1.499 progressive lens
Single Vision Finished Lens
Index
Diameter
Power Range
1.499
55/60/65/70mm
0.00 to ±6.00/-0.25 to -2.00
1.56
72/65mm
0.00 to -8.00/-0.25 to -2.00 +0.25 to +6.00/-0.25 to -2.00
1.61 Aspherical
75/70/65mm
0.00 to -10.00 /+0.25 to +8.000.00 to -8.00/-0.25 to -2.00
1.67Aspherical
75/70/65mm
0.00 to -10.00 /+0.25 to +8.00 0.00 to -8.00/-0.25 to -2.00
We also have other diameters, 70mm/75mm/80mm/85mm,specific can consult us.