Koh's Camera buys, sells and trades used cameras leica, rollei tlr, bronica etrs, bronica sq, hasselblad, nikon, contax, mamiya, canon, lumedyne, metz, lindahl, stroboframe, sunpak, nissin, sekonic, alpa, zeiss, bogen, gitzo, leica m3, m4, m5, leica m6, ...