diff --git a/lib/features/analysis/widgets/target_calibration.dart b/lib/features/analysis/widgets/target_calibration.dart
index de68789a..32250aef 100644
--- a/lib/features/analysis/widgets/target_calibration.dart
+++ b/lib/features/analysis/widgets/target_calibration.dart
@@ -198,9 +198,9 @@ class TargetCalibrationState extends State<TargetCalibration> {
                         const Icon(Icons.zoom_out, color: Colors.white, size: 16),
                         Expanded(
                           child: Slider(
-                            value: _radius.clamp(0.05, 3.0),
-                            min: 0.05,
-                            max: 3.0,
+                            value: _radius.clamp(0.3, 1.2),
+                            min: 0.3,
+                            max: 1.2,
                             activeColor: AppTheme.primaryColor,
                             onChanged: (value) {
                               setState(() {