I’ve been struggling with the best way to present two aberrations at a time, and I think I’ve arrived at something pretty good:
The above plots the point spread functions (PSFs) at the lower right corner of the simulated frame. The rows and columns are labeled with the aberrations employed. The diagonals show the aberrations one at time, and the rest of the grid shows the aberrations of the row labels combined with those of the column labels. The PSFs are enlarged by a factor of four.
The above image shows what happens when a Siemens star is used as a target. The magnification is one.
If we use a zone plate as a target, we get the above grid. I think it’s easier to see the effect of the aberrations with the Siemens star.
With the peppers image, it’s harder to sort things out.
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