Scripts don't have direct access to the current camera zoom, height or direction.

It's not really useful information, given that the PC can change it at any moment.

You can StoreCameraFacing() if you want to return the player to their current view later, but you can't read the components of the stored info.

When you need to ensure the PC has a particular view, use SetCameraFacing:
https://nwnlexicon.com/index.php/SetCameraFacing

Normally this is done in cutscene mode, to prevent player interference.

If you're doing a lot of cutscene work, the Gestalt package from NeverwinterVault is highly recommended.

Not sure what you mean by the "strange blue icon" - screenshot?