DSLR Lens Controller Electric Follow Focus Control Video Lens focal length For Baseplate Mount 5D2 60D The latest upgraded version of Second-generation electric follow focus - follow focus switchs to a larger torque motor and structure, the controller uses CMOS latest dedicated DC motor drive Electric zoom focus controller can be installed in all of 5D2 photography outfits, drive gear is common 0.8 analog gear, which meet most the driving gear needs, is also equipped with an external gear to change, To make the universal better ThUsing 6-18V power supply, this controller provides Two sockets power cable , more convenient Control handle is controlled through the automatic reset potentiometer , which is similar to use the camera zoom controller , more convenient operation The realization of all the lens focus and zoom functions, including professional camera lens control. the control line can be directly extended to the rocker arm to control the camera and video camera, which solve the issues that 5D2 and other digital SLR large rocker can not control the focus and zoom