values as a function of the wavelength bandpass and a phase-mask with a 10^-1/10^-2/10^-3 radian of phase-shift error. The black lines correspond to for the in: : retrieval, the gray lines are for the in: : retrieval: the solid lines are for the “p” modes and the dashed lines are for the “m” modes. The x and y scales are common between the three images. The values for of 10^-2 rad for the mask error are poorer than in the previous simulations. The 10^-1 rad case presents significant limitations because of a strong peak in the image center (β_0,0 = 0.04). The dotted line with and shows the chromatic limit of a desired retrieval precision in the “AO metric”.