fitTek Shoot RM S1AM Wired Shutter Release Remote Control Replacement for Sony RM-S1AM Compatible with Sony Alpha A77, A65, A57, A100, A200, A300, A350, A500, A550, A560, A580, A700, A850, A900, A55, A37, SLT A33, SLT A35, SLT A37, SLT A55, SLT A65, SLT a77