Here, we position the user at (0, 30, 240), looking in the -z direction (into the screen) with a focal distance of 5 and a height angle of .785 radians.
#VRML V1.0 ascii
Separator {
PerspectiveCamera {
position 0 30 240
orientation 0 0 -1 0
focalDistance 5
heightAngle .785
} #PerspectiveCamera
} #Separator