For really smooth slider moves, the trick is to be sure you’re using the new Ronford-Baker Motorized Slider.

Its controller is a zoom control-sized hand unit that you can program for feathered starts and stops.

The motor moves a 4-keyed Mitchell mount along the slider with a toothed belt at speeds from fast 1 ft/sec to slow 1 ft/min. You can add the Motorised Unit to existing Ronford Sliders, or order the complete set. It’s available in lengths from 25” to 96”, and custom lens