This is how I do rolling shots
dimsum32 by
leemiks, on Flickr
Recipe: a UWA lens, Tv mode, Ai Servo focus, shutter 1/(speed in mph) on highway i mostly just use 1/50.. If it's very sunny out I'll also put on a polarizer... Pace the car next to you as closely as possible and snap away!
some of my rollers through the years:
http://www.flickr.com/photos/leemik/...th/5723744923/