If you want the camera to not only morph between different positions and angles of view but also take into account settings such as Focal Length, this is the tab in which you can define this behavior.
These are the same settings as in the camera’s menu (with exception of the Stereopscopic setting). If an option is enabled, the corresponding setting will also be modified accordingly for the Morph Camera.
If an option is not enabled here, the corresponding value can be defined in the Morph Camera’s settings.
The options in the Physical Camera section are designed for use with Cinema 4D Broadcast, Visualize and Studio.