Field (all)

Adjusts the amount of the scene that is visible and the perspective of the view in all the viewports. Similar the changing the lens on a camera. As the field of view increases, you see more of the scene and the perspective gets distorted such as the effect you would recieve using a wide angle lens. As the field of view decreases you see less of your scene and the perspective flattens such as the effect you would recieve using a telephoto lens.

Using:

1. Click on the Field All button (Tools/Camera Tools)
   
   
2. Drag in a viewport to adjust the field of view angle for all visible viewports.
   
   
3. Drag upwards widens the angle, makes more of the scene visible and increase perspective angle.
   
   
4. Drag down shortens the angle, makes less of the scene visible and decreases the perspective angle.