Chrosziel's StudioRig Video VariLock 2 Single has a single-sided connection for the handwheel follow focus with 2 variable angle stops and comes with a focus lever.The StudioRig's gear unit extends the resulting angle of rotation of the video lenses. Further adjustments are made by the use different gear diameters. All gear drives can be easily mounted without tools. The three pitches of the lens manufacturers are available.
The handwheel with the VariLock 2 Module, allows easy setting of two mechanical stops.