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Table 2
VISTA mirror parameters (as-built values).
| Mirror | Physical diameter | Clear aperture | Radius of curvature | Conic constant |
| (mm) | (mm) | (mm) | ||
|
|
||||
| M1 | 4100 | 3960 | 8094.2 | –1.12979 |
| M2 | 1241.5 | 1240.5 | 4018.9 | –5.5494 |
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