装置1

\documentclass{tetsujsarticle}
\usepackage{tetsuryoku}

\usetikzlibrary{arrows, decorations.markings, calc, fadings, decorations.pathreplacing, patterns, decorations.pathmorphing, positioning,snakes,backgrounds,shapes,intersections}
\usepgflibrary{decorations.pathmorphing}
\tikzfading[name=fade out, inner color=transparent!0, outer color=transparent!100]

\begin{document}

\begin{tikzpicture}[xscale=0.28,yscale=0.28]

\node(left_knobble_microscope_down) at (-0.5,0.925) {} ;
\node(left_knobble_microscope_up) at (0,2.075) {} ;
\node(right_knobble) at (2.5,1.5) {} ;

\draw[line width=2] (0,0) -- (14,0) -- (14,6) -- (11,6) -- (11,3) -- (5,3) -- (3,5.5) -- (3,8) -- (0,8) -- (0,-0.115);
\draw[line width=2] (8.25,4.35) -- (8.25,3);
\draw[line width=2] (7,3.65) -- (7,3);
\draw[line width=2] (7.5,4.5) -- (7.5,6.25);
\draw[line width=2] (8,4.7) -- (8,6.25);

\node[circle,fill=black,minimum size=3.5](knobble_right) at (right_knobble) {};
\path[draw] (right_knobble) circle (0.75) node [right=0.05em of right_knobble] {\parbox{10em}{Inverses Mikroskop}};

\node(tableau) at (7,6.5) {}    ;

\node[rectangle, fill=black, minimum width=7em] at (tableau) {};
\draw[fill=black] (left_knobble_microscope_down) rectangle (left_knobble_microscope_up);

\node(ccd_cable_down) at (1,8) {} ;
\node(ccd_cable_up) at (2,10) {} ;
\draw[fill=none,line width=2] (ccd_cable_down) rectangle (ccd_cable_up);

\node(ccd_down) at (0.5,10) {} ;
\node(ccd_up) at (2.5,14) {} ;
\draw[fill=black,line width=2] (ccd_down) rectangle (ccd_up) node [above=0.1ex of ccd_up] {\parbox{3em}{CCD-Kamera}};

\node(right1_down) at (12,6) {} ;
\node(right1_up) at (14,13) {} ;
\draw[fill=none,line width=2] (right1_down) rectangle (right1_up);

\node(right2_down) at (9,13) {} ;
\node(right2_up) at (15,16) {} ;
\draw[fill=none,line width=2] (right2_down) rectangle (right2_up);

\fill[fill=black,line width=2] (9,15.5) -- (8.5,15.5) -- (6.5,14) -- (6.5,13.5) -- (9,13.5);

\draw[line width=2] (7,13.5) -- (7,8.5) -- (8.5,8.5) -- (8.5,13.5);

\fill[fill=black,line width=2] (7,8.5) -- (7.25,8) -- (8.25,8) -- (8.5,8.5);

\node[line width=1,ellipse,draw,gray,name path=focus](focus) at (7.75,6.5) {\phantom{...}};
\node[line width=1,ellipse,draw,gray,name path=focus_big](focus_big) at (24,13) {\phantom{\parbox{3cm}{bla\\bla\\bla\\bla\\}}};
\draw[line width=1,gray,draw=none,name path=focus_bla] (focus.east) -- (focus_big.east);
\draw[line width=1,gray,draw=none,name path=focus_blo] (focus.west) -- (focus_big.west);
\path[name intersections={of=focus_bla and focus_big},draw,line width=1, gray](intersection-1)--(focus.east);
\path[name intersections={of=focus_blo and focus},draw,line width=1, gray](intersection-1)--(focus_big.west);


\draw[shift={(8.5,4.5)},rotate=-60,line width=2,black](0, 0) arc (87.5:272.5:0.5 and 0.9);
\draw[rotate around={30:(8.5,4.5)},fill=black,draw,line width=2](8.75,4.5) rectangle (6.45,4.5) {};
\node[rectangle,draw,line width=2] at (20,3.625) {Teleskop};
\draw[fill=black, name path=objektiv] (14,3.075) rectangle (14.5,4.225);
\draw[rotate around={45:(28,1)},fill=black,draw,line width=2] (27,1) rectangle (29,1) node [below left=2.5ex and 0.15em] {\parbox{3em}{Galvanome\-terspiegel}};
\draw[rotate around={-45:(28.375,4)},fill=black,draw,line width=2] (27.375,3.5) rectangle (29.375,3.5);
\fill[red,fill opacity=0.5] (24.2,0.9) -- (27.735,0.9) -- (27.935,1.1) -- (24.2,1.1);
\fill[red,fill opacity=0.5] (27.935,1.1) -- (28.25,3.25) -- (27.5,4) -- (27.735,0.9);
\fill[red,fill opacity=0.5] (27.5,4) -- (22.85,4.25) -- (22.85,3) -- (28.25,3.25);

\fill[red,fill opacity=0.5] (17.15,4.25) -- (14.525,4.125) -- (14.525,3.2) -- (17.15,3);
\fill[red,fill opacity=0.5] (10.885,3.965) -- (8.37,3.85) -- (8.37,3.65) -- (10.885,3.4675);
 \node[rectangle,draw,line width=2] at (20,1) {Nd:YLF-Laser};
\node at (24,9.5) {Deckglas};
\draw[<->,line width=2] (20,11) to (28,11);

    \draw[line width=1] (20,12.25) node[ellipse, minimum height=0.1,minimum width=42.5,draw](down_left) {};
    \draw[line width=1] (20,15.75) node[ellipse, minimum height=0.1,minimum width=42.5,draw](top_left) {};
    \draw[line width=1] (28,12.25) node[ellipse, minimum height=0.1,minimum width=42.5,draw](down_right) {};
    \draw[line width=1] (28,15.75) node[ellipse, minimum height=0.1,minimum width=42.5,draw](top_right) {};
    \draw[line width=1] ($(down_left.10)+(0,-0.05)$)..controls (20,13.75) and (20,14.25)..($(top_left.-10)+(0,0.05)$);
    \draw[line width=1] ($(down_right.10)+(0,-0.05)$)..controls (28,13.75) and (28,14.25)..($(top_right.-10)+(0,0.05)$);
    \draw[line width=1] ($(down_right.170)+(0,-0.05)$)..controls (28,13.75) and (28,14.25)..($(top_right.-170)+(0,0.05)$);
    \draw[line width=1] ($(down_left.170)+(0,-0.05)$)..controls (20,13.75) and (20,14.25)..($(top_left.-170)+(0,0.05)$);

    \node[shade,shading=ball,circle,ball color=blue,minimum size=1.25em] at (23,14)  {};
    \node[shade,shading=ball,circle,ball color=blue,minimum size=1.25em] at (25,14)  {};

\begin{pgfonlayer}{background}
\begin{scope}
\clip ([yshift=1.75pt]down_left.south) -- ([yshift=1.75pt]down_right.south) -- (down_right.-85) -- (down_right.-80) -- (down_right.-75) -- (down_right.-70) -- (down_right.-65) -- (down_right.-60) -- (down_right.-55) -- (down_right.-50) -- (down_right.-45) -- (down_right.-40) -- (down_right.-35) -- (down_right.-30) -- (down_right.-25) -- (down_right.-20) -- (down_right.-15) -- (down_right.-10) -- (down_right.-5) -- (down_right.east) -- (down_right.5) -- (down_right.10) -- ($(down_right.10)+(0,-0.05)$)..controls (28,13.75) and (28,14.25)..($(top_right.-10)+(0,0.05)$) -- (top_right.-10) -- (top_right.-5) -- (top_right.east) -- (top_right.5) -- (top_right.10) -- (top_right.15) -- (top_right.20) -- (top_right.25) -- (top_right.30) -- (top_right.35) -- (top_right.40) -- (top_right.45) -- (top_right.50) -- (top_right.55) -- (top_right.60) -- (top_right.65) -- (top_right.70) -- (top_right.75) -- (top_right.80) -- (top_right.85) -- (top_right.90) -- ([yshift=-1.75pt]top_right.north) -- ([yshift=-1.75pt]top_left.north) -- (top_left.-210) -- (top_left.-205) -- (top_left.-200) -- (top_left.-195) -- (top_left.-190) -- (top_left.-185) -- (top_left.-180) -- (top_left.-175) -- (top_left.west) -- ($(top_left.-170)+(0,0.05)$)..controls (20,14.25) and (20,13.75)..($(down_left.170)+(0,-0.05)$) -- (down_left.-210) -- (down_left.-205) -- (down_left.-200) -- (down_left.-195) -- (down_left.-190) -- (down_left.-185) -- (down_left.-180) -- (down_left.-175) -- (down_left.-170) -- (down_left.-165) -- (down_left.-160) -- (down_left.-155) -- ([yshift=1.75pt]down_left.south);
\draw[draw=none] [postaction={path fading=north,fill=red,opacity=0.8}] (16,14) rectangle (32,17);
\draw[draw=none] [postaction={path fading=south,fill=red,opacity=0.8}] (16,14) rectangle (32,11);
\end{scope}

\fill[blue!50!white,fill opacity=0.5] (focus_big.-20) -- (focus_big.-40) -- (focus_big.-140) -- (focus_big.-160);
\draw[line width=1,gray!75!black] ([yshift=1.75pt]down_left.south) to ([yshift=1.75pt]down_right.south);
\draw[line width=1,gray!75!black] ([yshift=1.75pt]top_left.south) to ([yshift=1.75pt]top_right.south);
\draw[line width=1,gray!75!black] ([yshift=-1.75pt]down_left.north) to ([yshift=-1.75pt]down_right.north);
\draw[line width=1,gray!75!black] ([yshift=-1.75pt]top_left.north) to ([yshift=-1.75pt]top_right.north);
\end{pgfonlayer}

\end{tikzpicture}

\end{document}