To roll camera left/right
- Click the Viewpoint tab, and slide out the Camera panel.
- Type in a value into the Roll entry box to rotate the camera around its front-to-back axis.
A positive value rotates the camera counterclockwise, and a negative value rotates it clockwise.
Note: This value is not editable when the viewpoint up vector stays upright (that is, when you use Walk, Orbit and Constrained Orbit navigation tools).