Table 3. Comparison of the tangential resolutions with and without the compound lens.
| Material | FWHM(mm) | ||
|---|---|---|---|
| Target 1 | Target 2 | Target 3 | |
| No lens (water) | 0.4 | 1.2 | 2.5 |
| Compound | 0.4 | 0.4 | 0.4 |
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