Figure P.6.33 shows the image irradiance distributions arising when a monochromatic point source illuminates three different optical

Question:

Figure P.6.33 shows the image irradiance distributions arising when a monochromatic point source illuminates three different optical systems, each having only one type of aberration. From the graphs identify that aberration in each case and justify your answer.

Figure P.6.33a (ЕН)