The Canon 2/3" B4 to Sony EX3 Mount Converter allows you to use any B4-mount 2/3"-type cinema lens on a Sony PMW-EX3 1/2"-type camcorder. This expands your camera's versatility, giving you access to a line of professional lenses that take video imaging to the next level. Iris control is achieved through the included 12-pin to 14-pin hot-shoe connector.
Note:
This converter is to be used with lenses weighing less than 4.4 lbs (2kg).