Model Number |
cr-39 |
1.organic resin optical lens: 1) material:cr-39,AC,PC, 2) refractive index:N=1.499/1.56/1.6,etc. 3) surface treatment:UC/HC/HMC/EMI/UV350/400,etc 4) types:single version,bifocal,progressive 5) colours:white blank,red,purple,blue,gree,golden coating, and photochormic,etc 6) power ranges:as per client's need 7) diameter:55-70mm 2.mineral glass optical lens: 1) material:glass/crystal 2) refractive index:N=1.553/1.7,etc. 3) surface treatment:UC/coated 4) colour:white,red,photochromic,etc 5) power ranges:as per client's need 6) diameter:55-70mm Packing:exporting standard package
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