cr-39 1.499 resin single vision optical lenses
1) refractive index: 1.499
2) abbe value: 58
3) specific gravity: 1.32
4) raw materials are imported: cr39 ppg
5) up-to-date surface curvature design, slim and thin
6) diameters: 50mm, 55mm, 60mm, 65mm, 70mm
7) power range:
for 50mm, 55mm and 60mm:
a) sph: plano ~ +8.00 / cyl: -0.25 ~ -2.00
b) rx power: cyl: -2.25 up to -4.00, -4.25 up to -6.00
for 65mm and 70mm:
a) sph: plano ~ -6.00 / cyl: -0.25 ~ -2.00
b) sph: +0.25 ~ +6.00 / cyl: -0.25 ~ -2.00
c) rx power: cyl: -2.25 up to -4.00, -4.25 up to -6.00
8) available for uncoated(uc), hard-coated(hc), hard coating-tintable (hct),hard-multi coating (hmc)(ar-coating) and emi processing.
9) semi-finished lenses:
base: 2.00, 4.00, 6.00, 8.00

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丹阳市博大光学眼镜有限公司
蔡高美
15952917060
丹阳市司徒眼镜工业园万新路88号