diff --git a/viewers/nerf_viewer/client/src/SceneNode.js b/viewers/nerf_viewer/client/src/SceneNode.js
deleted file mode 100644
index 8ec2e5e..0000000
--- a/viewers/nerf_viewer/client/src/SceneNode.js
+++ /dev/null
@@ -1,31 +0,0 @@
-// /* eslint-disable no-underscore-dangle */
-// /* eslint-disable no-restricted-syntax */
-// import * as BABALON from '@babylonjs/core'
-
-// export default class SceneNode {
-//     constructor(scene: BABALON.Scene, scene_state){
-//         this.metadata = {};
-//         this.scene = scene;
-//         this.children = {};
-//         this.scene_state = scene_state;
-//         for(const c of this.scene.rootNodes){
-//             this.add_child(child_node)
-//         }
-//     }
-
-//     get_scene_state(){
-//         return this.scene_state;
-//     }
-
-//     add_child(child_node){
-//         const node = new SceneNode(child_node);
-//         this.children[child_node.name] = node;
-//         return node;
-//     }
-
-//     create_child(name){
-//         const 
-//     }
-
-
-// }
\ No newline at end of file
diff --git a/viewers/nerf_viewer/client/src/modules/ViewerPanel/ViewerWindow.jsx b/viewers/nerf_viewer/client/src/modules/ViewerPanel/ViewerWindow.jsx
index 58fc670..c3ad695 100644
--- a/viewers/nerf_viewer/client/src/modules/ViewerPanel/ViewerWindow.jsx
+++ b/viewers/nerf_viewer/client/src/modules/ViewerPanel/ViewerWindow.jsx
@@ -111,6 +111,12 @@ function ViewerWindow(props){
     // *********************** handle window resize ***********************
 
     // *********************** spawn roaming camera ***********************
+
+    // the HUD camera must share the same sensibility configurations with the roaming camera
+    const panningSensibility = 2000;
+    const angularSensibilityX = 2000;
+    const angularSensibilityY = 2000;
+
     const camera = new ArcRotateCamera(
       "camera",
       -Math.PI / 3, 
@@ -121,9 +127,9 @@ function ViewerWindow(props){
     );
     camera.attachControl();
     camera.fov = BABYLON.Tools.ToRadians(cameraFOV);
-    camera.panningSensibility = 2000;
-    camera.angularSensibilityX = 2000;
-    camera.angularSensibilityY = 2000;
+    camera.panningSensibility = panningSensibility;
+    camera.angularSensibilityX = angularSensibilityX;
+    camera.angularSensibilityY = angularSensibilityY;
     camera.maxZ = 999;
     camera.minZ = 0;
     camera.wheelPrecision = 50;
@@ -186,6 +192,9 @@ function ViewerWindow(props){
     cameraHUD.lowerRadiusLimit = 0.1;
     cameraHUD.layerMask = 0x20000000;
     cameraHUD.viewport = new Viewport(0.90, 0.85, 0.12, 0.17);
+    cameraHUD.panningSensibility = panningSensibility;
+    cameraHUD.angularSensibilityX = angularSensibilityX;
+    cameraHUD.angularSensibilityY = angularSensibilityY;
 
     scene.activeCameras = [camera, cameraHUD];  // HUD camera must be the last
     // *********************** spawn HUD camera ***********************