I am in need of one or more guagemasters for use in checking lensometer calibration. Would you be able to help with this
Type: Posts; User: mcoptics; Keyword(s):
I am in need of one or more guagemasters for use in checking lensometer calibration. Would you be able to help with this
Ansi Z87.1 states that Industrial Safety drop ball testing on CR-39 or Polycarb lenses should be statistical batch testing. This seems very vague to me so I was hoping someone could enlighten me on a...