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  1.61 HMC/EMI UV400 - INDEX 1.61
By using MR-8 monomer, Dagas Hi-Index AS UV lens is 24% lighter and 29% thinner than CR-39 lens.
Since Abbe Value (abbe #42) is higher than the other high index lens that is made up of acryl material, it has more clear and distinctive view.

  INDEX(ND)   1.61
  ABBE VALUE(VD)   42
  SPECIFIC GRAVITY   1.15
  METERIAL   MR-8
  COATED COLOR   GREEN
  DIAMETER   65,70,75mm