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  1.74 AS USH/EMI UV400 - INDEX 1.74
By reducing the Center and Edge thickness, Dagas Super Hi-Index AS UV lens is thinner and
lighter than other lenses.
Compared with CR-39, Dagas Super Hi-Index AS UV lens can be designed 38.8% thinner.

  INDEX(ND)   1.74
  ABBE VALUE(VD)   33
  SPECIFIC GRAVITY   1.47
  METERIAL   Epoxy Resin
  COATED COLOR   GREEN
  DIAMETER   65,70,75 mm