CR-39 lenses

Product Description

Cr**9 1.**9 Bifocal / Progressive Semi-finished Lenses 1) 1.**9 polarized bifocal semi-finished lenses: a) Diameter: D*8/*0mm b) Base curve: **0, **0, **0 c) Addition: *1.*0 ~ *3.*0 2) 1.**9 polarized progressive semi-finished lenses: a) Diameter: *5mm b) Base curve: **0, **0, **0 c) Addition: *1.*0 ~ *3.*0 3) Available colors: B*5, B*0, G*5, G*0 Cr**9 Round-Top/flat-top/invision Bifocal Lenses Finished lenses: a) Nd: 1.**9 b) Power range: Sph: 0.*0 ~ *2.*0 / Add: *1.*0 ~ *3.*0 Sph: 0.*0 ~ *3.*0/ Add: *1.*0 ~ *3.*0 c) Diameter: *0/*8mm, *0/*4mm, *5/*8mm Semi-finished lenses: a) Diameter: *0/*8mm, *0/*4mm, *5/*8mm b) Base: **0, **0, **0, **0 c) Add: ***0 ~ ***0 d) Semi-finished ST*8 and ST*4 round top bifocal lens CR**9 1.**9 Resin Single Vision Optical Lenses 1) Refractive index: 1.**9 2) Abbe value: *8 3) Specific gravity: 1.*2 4) Raw materials are imported: CR*9 PPG 5) Up-to-date surface curvature design, slim and thin 6) Diameters: *0mm, *5mm, *0mm, *5mm, *0mm 7) Power range: For *0mm, *5mm and *0mm: a) Sph: Plano ~ *8.*0 / Cyl: *0.*5 ~ *2.*0 b) RX power: Cyl: *2.*5 up to *4.*0, *4.*5 up to *6.*0 For *5mm and *0mm: a) Sph: Plano ~ *6.*0 / Cyl: *0.*5 ~ *2.*0 b) Sph: *0.*5 ~ *6.*0 / Cyl: *0.*5 ~ *2.*0 c) RX power: Cyl: *2.*5 up to *4.*0, *4.*5 up to *6.*0 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.*0, 4.*0, 6.*0, 8.*0