diff --git a/pt2d/gui/advancedSettingsWidget.py b/pt2d/gui/advancedSettingsWidget.py
index 962e6c2ad44626973f44a15351d4733a7eda505e..36ef7701efeea954590f81a6ba913e1150b9aa75 100644
--- a/pt2d/gui/advancedSettingsWidget.py
+++ b/pt2d/gui/advancedSettingsWidget.py
@@ -53,7 +53,7 @@ class AdvancedSettingsWidget(QWidget):
         controls_layout.addWidget(self._lab_contrast, 2, 0)
         self.contrast_slider = QSlider(Qt.Horizontal)
         self.contrast_slider.setRange(1, 40)
-        self.contrast_slider.setValue(1)  # i.e. 0.01
+        self.contrast_slider.setValue(10)  # i.e. 0.001
         self.contrast_slider.setSingleStep(1)
         self.contrast_slider.valueChanged.connect(self._on_contrast_slider)
         controls_layout.addWidget(self.contrast_slider, 2, 1)
@@ -138,8 +138,8 @@ class AdvancedSettingsWidget(QWidget):
         """
         Called when the contrast slider is moved.
         """
-        clip_limit = value / 500.0
-        self._lab_contrast.setText(f"Contrast ({clip_limit:.2f})")
+        clip_limit = value / 1000
+        self._lab_contrast.setText(f"Contrast ({clip_limit:.3f})")
         self._main_window.update_contrast(clip_limit)
 
     def update_displays(self, contrasted_img_np: np.ndarray, cost_img_np: np.ndarray):