MV-EX1: Significantly extended runtime of the XDCAM EX1R through a small investment in power systems based on BLUESHAPE V-lock. Allows usage of standard V-lock batteries directly installed on the back of the EX1R camcorder in the native battery receptacle. A special stabiliser firmly locks the adapter in place. An additional power source is available from the D-Tap connector installed on the battery adapter plate. V-Mount adapter plate for SONY EX1R camera series with 2pin D-tap DC output.