To make the Viewer window display a specific camera view:
-  Select a camera in the scene. 
 
- Right-click it and select Make Camera Current from the context menu. You can also right-click any camera in the Camera folder, and select Make Current from the context menu. 
 
- When you select Make Current, the view in the Viewer window switches to show the view from the selected camera. 
Note: You can also make Custom and Producer cameras current by selecting them from the Viewer window View menu. 
  
 To make the Viewer window display a specific camera view: 
Right-click anywhere in a scene and choose Select Current Camera from the context menu, to select the current camera, its interest, and Up Vector (if applicable).