Figure 48.1: Optical defects in a lens.Top:Spherical aberration. Rays incident near the edge of the lens focus
closer to the lens (A), while rays near the optical axis focus farther from the lens (B).Bottom:Chromatic
aberration. Red light comes to a focus at pointR, while violet light comes to a focus at a different point,V.
(Ref. [15])
darren dugan
(Darren Dugan)
#1