Let’s examine spherical aber
nv8h a xh5oo, f2t *;sd9/gwm ,og(gvuration in a particular situation. A planoconvex lens of index of refraction 1.50 and
m,du2g ,9os a;gvf(whhxoto8 5v*/gn radius of curvature $R=12.0\mathrm{~$cm$}$ is shown in (Fig. Below). Consider an incoming ray parallel to the principal axis and a height h above it as shown. Determine the distance d, from the flat face of the lens, to where this ray crosses the principal axis if
(a) $h=1.0\mathrm{~$cm$},$ $d_1$ =
cm
(b) $h=6.0\mathrm{~$cm$},$ $d_2$ =
cm
(c) How far apart are these “focal points”? $\Delta d$ =
cm
(d) What is the radius of the “circle of least confusion” produced by the $h=6.0-\mathrm{~$cm$},$ ray at the “focal point” for $h=1.0\mathrm{~$cm$},$? r =
cm