def Zoom_out(ptz, request):
    if ((Zoom - Move) <= 0.0):
        request.Position.Zoom = 0.0
    else:
        request.Position.Zoom = (Zoom - Move)
    do_move(ptz, request)
def Zoom_out(ptz, request):
    if ((Zoom - Move) <= 0.0):
        request.Position.Zoom = 0.0
    else:
        request.Position.Zoom = (Zoom - Move)
    do_move(ptz, request)