This $400 knob proves that the SLR really is the movie camera for today's indie filmmakers. It's called the Okii Systems USB Follow Focus, and it does what it says, allowing you to control the focus ...

Knob controllers can control volume settings, scroll through web pages, and help edit movies among other uses. You can buy a commercial one from Griffin Technology for $45 or build one yourself with ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. This article is more than 4 years old. The eMute can be ...

We live in a golden age for MIDI controllers. [rheslip]’s contribution to the milieu is a twisty take on the format, in that it’s covered in an array of knobs. Thus the name—Twisty 2.