Lecture notes and codes: https://drive.google.com/drive/folder...

0:00 Introduction
5:41 Connection between rays and waves
9:02 Describing aberrations
11:15 Calculate ray aberrations from wavefront error
16:56 Spot diagram and PSF
20:04 Seidel aberrations
32:18 Abbe sine condition
40:39 Zernike polynomials
47:52 Interpreting aberrations