Fig. 2
Left: view from inside CONICA, showing the 9 mm clear aperture corresponding to a 15′′ field of view (diameter), fully contained within the 27′′ field of view of the L27 objective. Middle: full oversized stop of CONICA, showing the VLT pupil (including the central obscuration and struts). Right: APO165 pupil mask (diameter = 0.87 × Dpup) available inside CONICA, aligned to cover the diffraction and thermal background from the central obscuration and struts.
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