diff --git a/workflows/simbox/core/cameras/custom_camera.py b/workflows/simbox/core/cameras/custom_camera.py
index e427431..2b139d0 100644
--- a/workflows/simbox/core/cameras/custom_camera.py
+++ b/workflows/simbox/core/cameras/custom_camera.py
@@ -32,7 +32,7 @@ class CustomCamera(Camera):
             reference_path: Reference prim path for camera mounting
             name: Camera name
         """
-        # ===== Pre-compute camera parameters =====
+        # ===== From cfg =====
         pixel_size = cfg["params"].get("pixel_size")
         f_number = cfg["params"].get("f_number")
         focus_distance = cfg["params"].get("focus_distance")
@@ -47,18 +47,9 @@ class CustomCamera(Camera):
         focal_length_y = fy * pixel_size * 1e-3
         focal_length = (focal_length_x + focal_length_y) / 2 / 10.0
 
-        # Pre-set aperture on USD prim before Camera.__init__ to avoid mismatch warnings
-        from pxr import UsdGeom
-        import omni.usd
-        stage = omni.usd.get_context().get_stage()
-        cam_prim = stage.GetPrimAtPath(prim_path)
-        if cam_prim.IsValid():
-            cam = UsdGeom.Camera(cam_prim)
-            cam.GetHorizontalApertureAttr().Set(horizontal_aperture * 10.0)  # USD uses mm
-            cam.GetVerticalApertureAttr().Set(vertical_aperture * 10.0)
-            cam.GetFocalLengthAttr().Set(focal_length * 10.0)
-
         # ===== Initialize camera =====
+        # Note: Camera.__init__ triggers aperture consistency warnings with default USD values.
+        # These are cosmetic — IS auto-corrects, and we override with correct values below.
         super().__init__(
             prim_path=prim_path,
             name=name,