The Chrosziel's DV StudioRig for 110mm Lenses comes with a gear drive, scale and flexible gear ring.. The Chrosziel 206-12 is a 0.8 gear-pitch focus gear drive for Leica, Canon, Zeiss and Fujinon cine-style lenses; it allows connectivity between a follow focus wheel and the lens' manual focus teeth. This works with Chrosziel 206-01S follow focus systems for Leica, Canon and Fujinon cine-style lenses. The Chrosziel AC-206-30 Flex Gear Ring is designed to function with their line of camera follow focuses with a pitch of 0.8. The flexible focus gear ring has an adjustable diameter between °60-120mm for an angle rotation of about 270-320deg. The ring can be attached and removed quickly and easily.
The Chrosziel 205-02 is a handwheel marking scale for DV studio rig/follow focus system. This device is a spare part for a follow focus system; it replaces a damaged or lost handwheel.