Controls if the camera moves from saved positions smoothly or instantly. Saved camera positions are saved by SaveView and loaded by SetView.

Default Setting

Camera moves smoothly from saved positions.

Possible Settings

Camera moves smoothly from saved positions.
Camera moves instantly from saved positions.

Changing this setting

In-game, type the following

/console cameraViewBlendStyle setting

Alternatively, you can exit wow, open the file, and add the following line:

SET cameraViewBlendStyle "setting"

Note: Changing this setting doesn't switch to a saved camera position. The CVar is only there to read the last position from it.