A follow focus is one of those things you don’t get until you shoot a bit of video. It its most simple form a follow focus allows you to easily focus a lens and to “remember” focus spots for later use.
This hack by instructable user monkeywidget belongs in the “simple” basket. It is a lever that attaches to the lens via a big hose clamp and creates a focusing lever. The build is pretty trivial and can probably be made in less than 5 minutes if you have the parts.
It is beautiful? Arguably. Will it get the job done? It is better than nothing, and for 5 minutes of work and $4 it aint too shabby.
Get the full instruction over at Instructables.
Thanks for the tip, Jason.