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%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2010 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{352.81416pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-optic,pstricks-add,graphicx}
\StopShownPreambleCommands
\begin{document}
\resizebox{\textwidth}{!}{
\begin{pspicture}(-8,-3)(7,5)%\psgrid[subgriddiv=0,griddots=10]
  \rput(0,0){\lens[lensWidth=1,lensGlass=true,%
    lensHeight=6,focus=4,drawing=false,AB=2.5]}
  {%
    \psset{linewidth=0.5pt,linestyle=dashed,arrowsize=5pt,arrows=|<->|}
    \psline(-8,0)(4,0)
    \pcline(-7.75,-3)(0,-3)
    \lput*{:U}{2f}
    \pcline(0,-3)(4,-3)
    \lput*{:U}{f}
    \pcline(7,0)(7,4)
    \lput*{:U}{f}
    \pcline(4,5)(5,5)
    \lput*{:U}{s}
    \pcline(5.25,2.3)(5.25,2.8)
    \lput*{:U}{s}
  }
  \uput[90](0,3){\Large L}
  \uput[45](-7.7,3){\Large B}
  \uput[45](-7.7,-2){\Large E}
  \uput[270](3,-0.5){\Large D}
  \uput[-45](4,0){\Large A=F}
  \uput[270](3,2){\Large S}
  \uput[90](4,4){\Large Sp}
  \uput[90](3.5,3.25){\Large B'}
  \uput[0](6.3,2.25){\Large B''}
  \uput[-90](6,1.1){\Large M}
  \psarc[linewidth=0.5pt](-7.75,2.5){0.5}{-90}{0}\qdisk(-7.55,2.3){1pt}
  \rput{210}(F'){\mirrorTwo}
  {%
    \psset{fillstyle=solid,fillcolor=lightgray}
    \rput{210}(4,2.5){\psframe(-1,0)(1,0.2)}
    \psframe(-8,-3)(-7.75,3)
    \psframe(3,4)(3.8,4.2)\psframe(4.2,4)(5,4.2)%
  }{%
    \psset{linewidth=1pt,linecolor=red,%
      arrowsize=5pt,ArrowInside=->,ArrowInsideNo=3}
    \psline[linecolor=blue,ArrowInsideOffset=-0.2](F')(4,2.5)
    \psline[linecolor=blue,ArrowInsideOffset=-0.2](4,2.3)(6,2.3)
    \qdisk(6,2.3){2pt}
    \psline[linestyle=dashed,arrows=-](F')(5.1,4)
    \psline[linestyle=dashed,arrows=-](5,2.8)(6,2.8)
    \psline(4,4)(F')
    \psline[linecolor=blue,ArrowInsideOffset=-0.2](I)(F')
    \psline(F')(I)
    \psline[linecolor=blue,ArrowInsideOffset=-0.3](-7.75,2.5)(I)
    \psline(I)(-7.75,2.5)
  }
  \psframe(5.5,1.1)(6.5,3.5)
  \multido{\r=1.3+0.2}{12}{%
    \psline(6.1,\r)(6.5,\r)%
  }
\end{pspicture}
}
Sp Spalt; D Drehspiegel; L Sammellinse; E Endspiegel;
S halbdurchl\"assiger Spiegel; M Ma\ss stab
\end{document}