Okii Systems FC1 USB Focus Controller for Canon

WORKS! COOL DEVICE! For Canon 1D MARK IV, 5D MARK II, 7D, 60D, 550D, 500D etc. Controls Focus and Many Camera Functions Features 9 Buttons and a Rotating Knob For Canon 1D, 5D, 7D, 60D, T1i / 2i / 3i For Canon/Sigma/Tamron Autofocus Lenses Also Works with Tokina Autofocus Lenses Connects by USB Cable Leaves Camera's HDMI Input Accessible Use Handheld or 1/4"-20 Mounted onto Rig