By default, your scene has only one renderable camera (the original perspective camera) that can render all objects in your scene. 
	 
If you add another camera to your scene and want to make it renderable (or you would like to make one of the existing cameras renderable), you must set the camera to renderable. You can have multiple renderable cameras. Set your list of renderable cameras in the 
		Render Settings window (Windows > Rendering Editors > Render Settings). 
	 
To make a camera renderable
- Open the 
		  Render Settings window by selecting 
		  Windows > Rendering Editors > Render Settings. 
		
- Click on the 
		  Common Tab and locate the Renderable Cameras section. 
		
- To set another renderable camera, select 
		  Add Renderable Camera from the 
		  Renderable Camera drop-down list. A new 
		  Renderable Camera drop-down list appears. Select from this drop-down list the additional camera that you would like to make renderable. Repeat until all of the cameras that you wish to make renderable are displayed. 
		
- To make a camera unrenderable, click the 
		   beside the camera name. This will remove it from the list of renderable cameras but not delete the camera from the scene. beside the camera name. This will remove it from the list of renderable cameras but not delete the camera from the scene.
See 
		Renderable Cameras for more information regarding the Renderable Cameras option. 
	 
Note:  
		
- Advanced users can turn off the 
			 Renderable attribute in the 
			 Output Settings section of the 
			 Attribute Editor for the cameras you do not want to render from. 
		  
- For Maya software rendering, you can also select a camera (or several cameras) to render from when you render from a shell or command line. Use 
			 Render and the 
			 ?cam option. See 
			 About command line rendering for information.