--credit: http://forums.cgsociety.org/archive/index.php?t-307476.html
cam1 = freeCamera()
cam1.type = #target
cam1.name = "fountain_recorder"
cam1.pos = [40,40,40]
cam1.Target.pos = [0,0,12]
cam1.controller.roll_angle = 0
cam1.fov = 22

spline1 = circle radius: 120 pos: [0,0,20]
--credit: http://www.scriptspot.com/forums/3ds-max/general-scripting/newbie-simple-path-constraint-script-having-problems-with
cam1.pos.controller = Path_Constraint follow: on axis: 0 path:spline1