--- vtk-5.4.2.orig/Rendering/vtkRenderer.cxx
+++ vtk-5.4.2/Rendering/vtkRenderer.cxx
@@ -709,12 +709,15 @@
 
   this->ActiveCamera = cam;
   this->Modified();
+  this->InvokeEvent(vtkCommand::ActiveCameraEvent, cam);
 }
 
 //----------------------------------------------------------------------------
 vtkCamera* vtkRenderer::MakeCamera()
 {
-  return vtkCamera::New();
+  vtkCamera *cam = vtkCamera::New();
+  this->InvokeEvent(vtkCommand::CreateCameraEvent, cam);
+  return cam;
 }
   
 //----------------------------------------------------------------------------