diff --git a/script/RefocusManipulatorScan.py b/script/RefocusManipulatorScan.py
index 67a4b212..bd32ae9e 100644
--- a/script/RefocusManipulatorScan.py
+++ b/script/RefocusManipulatorScan.py
@@ -10,14 +10,16 @@ move manipulator and mirror to center position before start!
 import math
 
 # adjust the following parameters
-DISTANCE_Ry = 0.3 # mrad (Ry)
-SLOPE = -2.000 # mm/mrad (DX / DRy)
-STEPS = 60
+DISTANCE_X = 1.0 # mm
+#DISTANCE_Ry = 0.5 # mrad (Ry)
+SLOPE = -1.75 # mm/mrad (DX / DRy)
+STEPS = 50
 LATENCY = 0.0
 ENDSCAN = False
 
 # do not edit below
-DISTANCE_X = DISTANCE_Ry * SLOPE
+#DISTANCE_X = DISTANCE_Ry * SLOPE
+DISTANCE_Ry = DISTANCE_X / SLOPE
 
 MOTOR = (RefocusYRot, ManipulatorX)
 SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)