\begin{overpic}[width=0.49\textwidth]{F2opx4-011}
\put(1,74){\colorbox{white}{(\sublabel{F2opx4-011}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20170908185933-355295}{F2opx4-011}}}
%%(\subref{F2opx4-011}) \href{F2opx4-011}
\color{red}
\put(46.9,40.8){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170908185927-958843}{spot of ys_opx_OK10VMa@6}} % 20170908185927-958843 % \vs(7472.5, -4827.7)
\put(68.5,6.9){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307112321-118539}{spot of to_opx_ok10vma_h@29}} % 20190307112321-118539 % \vs(7490.8, -4853.6)
%%scale 10 micro meter
\put(1,1){\line(1,0){12.0}}
\end{overpic}