De bizony tökrös (reflektor) távcsöve van a COROT-nak:
"The telescope is made out of two parabolic mirrors, having a 1.1-metre focal length. The field of view is a square of 2.8 x 2.8°, half for the seismology mission, the other half for the exoplanet mission. A prism, used by the telescope for certain aspects of the mission, will separate colours, enabling scientists to study stellar activity during a planetary transit.
There is an external ‘baffle’ on the telescope (designed at ESTEC). This is a device for shielding a lens from ‘light pollution’ from sources other than those objects at which the telescope is looking.