diff --git a/src/openflexure_microscope_server/things/autofocus.py b/src/openflexure_microscope_server/things/autofocus.py
index 1adb81bf..c6faf8e7 100644
--- a/src/openflexure_microscope_server/things/autofocus.py
+++ b/src/openflexure_microscope_server/things/autofocus.py
@@ -151,6 +151,7 @@ class AutofocusThing(Thing):
     Actions here involve moving a stage in z, and using the camera to either
     capture images (generally, z-stacking) and measuring the sharpness of the
     field of view to assess focus (autofocus and testing the success of a z-stack)"""
+
     @thing_action
     def fast_autofocus(
         self,
@@ -209,7 +210,11 @@ class AutofocusThing(Thing):
 
     @thing_action
     def looping_autofocus(
-        self, stage: Stage, sharpness_monitor: SharpnessMonitorDep, dz=2000, start="centre"
+        self,
+        stage: Stage,
+        sharpness_monitor: SharpnessMonitorDep,
+        dz=2000,
+        start="centre",
     ):
         """Repeatedly autofocus the stage until it looks focused.
 
diff --git a/webapp/src/components/tabContentComponents/slideScanContent.vue b/webapp/src/components/tabContentComponents/slideScanContent.vue
index 8a152fc8..4c4d4643 100644
--- a/webapp/src/components/tabContentComponents/slideScanContent.vue
+++ b/webapp/src/components/tabContentComponents/slideScanContent.vue
@@ -24,6 +24,20 @@
                   label="Autofocus range (steps)"
                 />
               </div>
+              <div class="uk-margin">
+                <propertyControl
+                  thing-name="autofocus"
+                  property-name="stack_dz"
+                  label="Stack dz (steps)"
+                />  
+              </div>
+              <div class="uk-margin">
+                <propertyControl
+                  thing-name="autofocus"
+                  property-name="stack_images_to_capture"
+                  label="Images in stack to capture"
+                />
+              </div>
               <div class="uk-margin">
                 <propertyControl
                   thing-name="smart_scan"