To Roll the Camera in 5° Steps

Select the Define Camera tool.
In the tool settings window, turn off Continuous View Updates.
If necessary, click the More button to reveal the settings options.
Expand the Controlled Movement section to display the input fields for Increments in Distance and Angle.
In the Angle field, type 5.
In the camera view enter a data point in the top or bottom of the view.
The camera is rolled 5° either clockwise, or counterclockwise, depending on the direction of the data point (up or down from the center of the view).
Further data points rotate the camera in 5° increments about the z-axis of the camera view.