diff --git a/script/optics/RefocusManipulatorScan.py b/script/optics/RefocusManipulatorScan.py
index 0ef0711e..af7189a4 100644
--- a/script/optics/RefocusManipulatorScan.py
+++ b/script/optics/RefocusManipulatorScan.py
@@ -13,7 +13,7 @@ import math
 DISTANCE_X = 4.0 # mm
 #DISTANCE_Ry = 0.5 # mrad (Ry)
 SLOPE = 1.0/0.24 # mm/mrad (DX / DRy)
-STEPS = 40
+STEPS = 160
 LATENCY = 0.0
 ENDSCAN = False