How would you use Equation 4.2 to analyze the situation where the tilt of a thin lens is not about the centerline (as shown in Fig. 4.18), but about the edge? Hint: any rigid‐body motion can be...

How would you use Equation 4.2 to analyze the situation where the tilt

of a thin lens is not about the centerline (as shown in Fig. 4.18), but

about the edge? Hint: any rigid‐body motion can be thought of as a sum

of a tilt and a displacement.