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Abbe #s
Abbe #s used on the ABO
Question | Answer |
---|---|
Crown Glass | 59-61 |
CR-39 | 56-58 |
Barium Crown | Low 50s |
Trivex | 43-45 |
Flint | Low 30s |
Polycarbonate | 29-31 |
the higher the number, the______________optical performance | better |