diff --git a/scripts/focus.py b/scripts/focus.py
new file mode 100644
index 0000000..6e28e02
--- /dev/null
+++ b/scripts/focus.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+from adafruit_motor import stepper
+from adafruit_motorkit import MotorKit
+from time import sleep
+
+import sys
+
+nb_step = int(sys.argv[1])
+orientation = str(sys.argv[2])
+
+
+
+kit = MotorKit()
+
+stage = kit.stepper1
+
+stage.release()
+
+def focus(steps,orientation):
+    #0.25mm/step
+    #31um/microsteps
+
+    stage.release()
+    
+    if orientation == 'up':
+        for i in range(steps):
+            stage.onestep(direction=stepper.FORWARD, style=stepper.MICROSTEP)
+            sleep(0.001)
+            
+    if orientation == 'down':
+        for i in range(steps):
+            stage.onestep(direction=stepper.BACKWARD, style=stepper.MICROSTEP)
+            sleep(0.001)
+            
+    stage.release()
+
+    
+focus(nb_step, orientation)
+ 
diff --git a/scripts/main.py b/scripts/main.py
deleted file mode 100644
index 8b13789..0000000
--- a/scripts/main.py
+++ /dev/null
@@ -1 +0,0 @@
-