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model&code | style | lead equivalent | export price | colour |
2075-BK | 2:20 | 0.75mmPb | black/BK | |
2075-TO | turtle/TO | |||
2050-BK | 0.50mmPb | black/BK | ||
2050-TO | turtle/TO |
glasses model | circumference ratio | radii²cm | thickness cm | proportion g/cm³ | weight | lead equivalent |
ZF7 | 3.14 | 10.5625 | 0.16 | 5.2 | 27.59432 | 0.50mmPb |
ZF7 | 3.14 | 10.5625 | 0.22 | 5.2 | 37.94219 | 0.75mmPb |
ZF7 | 3.14 | 10.5625 | 0.24 | 5.2 | 41.39148 | 0.75mmPb |
ZF3 | 3.14 | 10.5625 | 0.25 | 4.2 | 34.8245625 | 0.50mmPb |
ZF3 | 3.14 | 10.5625 | 0.375 | 4.2 | 52.23684375 | 0.75mmPb |