restore initial focus, if focus-series failed

pyobs · Jan 5, 2025 · 424d511 · 424d511
1 parent cf2df52
commit 424d511
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/pyobs/modules/focus/focusseries.py b/pyobs/modules/focus/focusseries.py
@@ -205,6 +205,11 @@ async def _auto_focus(self, count: int, step: float, exposure_time: float, **kwa
         try:
             focus = self._series.fit_focus()
         except Exception as e:
+            # restore initial guess
+            if self._offset:
+                await focuser.set_focus_offset(float(guess))
+            else:
+                await focuser.set_focus(float(guess))
             raise exc.GeneralError(f"Could not calculate best focus: {e}")
 
         # did focus series fail?