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%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 6-7-27 on page 434.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  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.
%% 

\documentclass{ttctexagray}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{207.83385pt}
\StartShownPreambleCommands
\usepackage[cmyk]{pstricks} \usepackage{pst-optic}
\StopShownPreambleCommands
\begin{document}
\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}