Scott Simmons at the studiodaily site has a great article on how to adapt a Kensington trackball to behave like a more advanced color correction system.
The Kensington trackball won’t give you control over more than one parameter at a time. But it will give you a bit more precise control over the color wheels. That’s lift/gamma/gain in Colorista and Blacks/Mids/Whites in the Final Cut Pro 3-way color corrector. The secret lies in the Kensington MouseWorks software control panel.
