The Track View Editor can export and import camera nodes in the Collada format.
The current state of the exporter/importer is as follows:
Now there is a camera with animation curves.
However, it would only work after modifying the Collada file manually:
...
<visual_scene id="RootNode" name="RootNode">
<node id="Flying_Cam_03" name="Flying_Cam_03">
<translate sid="translate">0 0 0</translate>
<rotate sid="rotateZ">0 0 1 0</rotate>
<rotate sid="rotateY">0 1 0 0</rotate>
<rotate sid="rotateX">1 0 0 0</rotate>
<instance_camera url="#Flying_Cam_03-lib"/>
</node>
</visual_scene>
...
...
<visual_scene id="RootNode" name="RootNode">
<node id="Flying_Cam_03" name="Flying_Cam_03">
<translate sid="translate">0 0 0</translate>
<rotate sid="rotateZ">0 0 1 0</rotate>
<rotate sid="rotateY">0 1 0 0</rotate>
<rotate sid="rotateX">1 0 0 0</rotate>
<node id="AdjustDefaultCameraPose">
<translate sid="translate">0 0 0</translate>
<rotate sid="rotateZ">0 0 1 90.0</rotate>
<rotate sid="rotateY">0 1 0 0</rotate>
<rotate sid="rotateX">1 0 0 90.0</rotate>
<instance_camera url="#Flying_Cam_03-lib"/>
</node>
</node>
</visual_scene>
...
\Tools\
folder) and make sure, that the .exe file is in the same folder as the camera Collada file you want to modify.