Light&Motion Fathom 65 Wetmate Lens [802-0261-A] for use on the Bluefin standard flat port (XR550 / CX550 / CX350 models).

This Fathom Imaging Wet mate lens for Sony camcorders is designed to work with the standard Bluefin flat port and easily mounts on a caddy on the top of the housing when not in use.