This Follow Focus Lens Drive Gear for FF-T05 6mm 0.5 MOD, 78-Tooth attaches to your Tilta single-sided Cine Follow Focus and is used to drive Canon or Angenieux lenses with ENG-style lens gears. It features 78 teeth along its circumference, with a 0.5 MOD. Please note that this drive gear is not suitable for lenses with either Fujinon or cine-style focus gears. It is specifically designed to work with Canon or Angenieux lenses with ENG lens gears.