\begin{table}%t2
%\centering
\par
\caption{\label{tab:photometry}Archival data used to calculate photometric redshifts.}
\begin{tabular}{ll}
\hline \hline
Filter & Instrument/Camera\\ 
\hline
\multicolumn{2}{c}{Abell 1689}\\ 
$F475W, F625W, F775W, F850LP$ & HST/ACS  \\
$F110W, F160W$ & HST/NICMOS \\ 
\hline
\multicolumn{2}{c}{Abell 1835}\\ 
$V, R, I,$ & CFHT/CFH12K  \\
$F702W$ & HST/WFPC2 \\
$Z$ & VLT/FORS2 \\
$SZ, J, H, K$s & VLT/ISAAC \\ 
\hline
\multicolumn{2}{c}{AC114}\\ 
$U$ & CTIO  \\
$B$ & AAT/CCD1 \\
$V$ & ESO-NTT \\
$F702W, F814W$ & HST/WFPC2 \\
$J, H, K$s & VLT/ISAAC \\ 
\hline
\end{tabular}
\end{table}