Table 1 Parameters of the optical system model of MUST
Parameter | Requirement |
|---|---|
Optical structure | Ritchey-Chretien optics and WFC |
Focus type | Cassegrain focus |
Wavelength band | 0.365 μm to 1.1 μm |
Entry aperture | 6.5 m |
FOV | 3° in diameter |
Focal ratio | F/3.6 |
Zenith angle | 0° to 50° |
EE80 size of image spot | < 0.6 arcsec in diameter |
Distortion | ≤ 1% |
Angle between the incident light and the normal of focal plane | ≤ 1° |