diff --git a/src/cameras/multi-camera.ts b/src/cameras/multi-camera.ts
index 39224af..eb5ddeb 100644
--- a/src/cameras/multi-camera.ts
+++ b/src/cameras/multi-camera.ts
@@ -24,7 +24,7 @@ class MultiCamera extends BaseCamera {
 
     mobilePanSpeed: number = 0.025;
 
-    pinchSpeed: number = 0.025;
+    pinchSpeed: number = 0.00025;
 
     wheelSpeed: number = 0.005;
 
diff --git a/src/viewer.ts b/src/viewer.ts
index 214011f..2c3e55d 100644
--- a/src/viewer.ts
+++ b/src/viewer.ts
@@ -239,7 +239,7 @@ class Viewer {
             moveDamping: 0.97,
             mousePanSpeed: 1,
             mobilePanSpeed: 0.025,
-            pinchSpeed: 0.025,
+            pinchSpeed: 0.00025,
             wheelSpeed: 0.005,
             zoomThreshold: 0.01,
             zoomExp: 0.5,