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<-   Telescope principle   ->
figures/shema_optique.gif

The CoRoT telescope collects and concentrates photons.

  • The afocal collector is made up of 2 mirrors (out of axis) which reduce the size of a beam of light with a factor of 9. It also ensures the uniformity of the image in the field of view.
  • It is then corrected by a dioptric objective of 1200 mm, with a focal distance opened at f/4. It ensures a wide observation field (2,7° x 3,05°) and an excellent protection from the parasitic light interior to the telescope.
figures/vue_d_ensemble.jpg