The key is to make the Sphere really big. You can go into the Object Controls panel and increase the size of the 3D Primitive. Then it will be easy to have the camera go into the 3D Primitive (Sphere).
If you're still experiencing crashes, please send the project file to me at email@example.com. If possible, please also send a crash report and steps to reproduce the crash. This way we can reproduce and fix any of the issues that you are running into.