<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% 
%%  A DANTE-Edition example
%% 
%%  Example 36-00-61 on page 792.
%% 
%%  Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-optic}

\begin{document}
\psset{unit=0.9}
\begin{pspicture*}(-7.5,-3)(7.5,3)
\rput(0,0){%
	\lens[lensScale=0.6,XO=-4,%
		nameF=F_1,nameA=A_1,nameB=B_1,%
		nameFi=F'_1,nameAi={ },nameBi={},nameO=O_1,%
		focus=1,OA=-2,lensGlass=true, lensWidth=0.5]%
}
\pspolygon[style=rayuresJaunes,linestyle=none](B)(I)(B')(I')(B)
\Transform
\rput(0,0){%
	\lens[lensScale=1.2,XO=2,focus=2,%
		nameA=A'_1,spotA=90,nameB=B'_1,spotB=270,%
		nameO=O_2,nameAi=A'_2,spotAi=270,%
		nameBi=B'_2,spotBi=90,nameF=F_2,nameFi=F'_2,%
		lensTwo=true,%
		lensGlass=true,lensWidth=0.5]%
}
\pspolygon[style=rayuresJaunes,linestyle=none](B)(I)(B')(I')(B)
\end{pspicture*}
\end{document}
</pre></body></html>