Using the Viewpoint Manipulator

You can drag the handles on the rulers, or double-click them and enter your own values. You can also choose the focus mode.

Several rulers are available:
The Roll ruler lets you modify the roll angle of the viewpoint.
The Focal length ruler lets you change the focal length.
The F-stop ruler lets you modify the aperture.
The EV ruler lets you modify the exposure.
The Shutter ruler lets you modify the shutter speed.
The Focus ruler lets you modify the focus distance.
Focus mode.

AF-A: the focus is on a 3D point selected through the cursor .

AF: the focus is on the object located under the cursor .

MF: the focus depends on the focus distance defined through the Focus ruler, or through .

 

See Also
Using the Viewpoint Manipulator