%%
%% Ein Beispiel der DANTE-Edition
%%
%% 7. Auflage
%%
%% Beispiel 32-03-28 auf Seite 740.
%%
%% Copyright (C) 2016 Herbert Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See
http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
%%
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{169.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-optexp}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid](0,-0.3)(3,2.3)
\pnode(0,1){A}\pnode(3,1){B}
\lens[n=2, lens=2 2 1.5](A)(B)
\drawbeam[beamangle=10, ArrowInside=->, arrows=-|,
beaminside=false](A){1}(B)
\psdot(A)\uput[90](A){A}\psdot(B)\uput[-90](B){B}
\end{pspicture}
\end{document}
