$60 for a bent piece of stainless steel it may be, but DSLR shooters will go crazy for this. It lets you control various focal subjects, by setting and remembering their focal points using just a few markers.
Earlier today, we posted our first dSLR follow focus mod, and it nothing if not simple. This other follow focus mod...well...its hand crank drill drive shaft is but a stone's throw from a hamster wheel and a hot poker. [FocusDrill]
In film and video, if you want to rack focus, a "follow focus" makes the job a lot easier. Attaching to the focus ring, a follow focus can be as simple as a stick or as complicated as a gearbox.
