Table 5.
Tolerance Allocation.
| Tolerance Items | Value |
|---|---|
| Radius (fringes) | 1 |
| Thickness (mm) | 0.01 |
| Decenter X/Y (mm) | 0.01 |
| Tilt X/Y (degrees) | 0.0042 |
| S + A irregularity (fringes) | 0.2 |
| Index of refraction | 0.0003 |
| Abbe number (%) | 0.5 |
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