aenhancers

I'm trying to control a rack focus with a Slider. I used the pickwhip to attach a Slider control on a Null Layer to my camera's focus distance. But it never works. When I adjust the slider it always returns to whatever the camera is originally set at. I can't get the Slider to control the camera's focus distance. Is there something I'm doing wrong?

Thanks for any help.

Oops. Never mind. I was just going in the wrong direction with the pickwhip.