By adding key points that change the view orientation
By setting the view orientation to be through
a camera and moving the camera by adding key points to the camera in the
Lights and Cameras 
folder.
You can animate the view orientation used to view the model or whether the view of the model will use one or more cameras. You can rotate, pan, and zoom the model while you create the rest of your animation without capturing these movements by using options that control the creation and playback of view orientation animations.
A camera view is actually a view similar to the standard view (front, top, right etc.). In animations, you move about the model as follows:
By adding key points that change the view orientation
By setting the view orientation to be through
a camera and moving the camera by adding key points to the camera in the
Lights and Cameras folder.
The camera is unique in that it can actually
go inside the model.
To create a view orientation animation:
Right-click Orientation and Camera Views, and clear both Disable Playback of View Keys and Disable View Key Creation.
Position the timebar to the time at which you want to set the view, and do one of the following to create a new key point:
Rotate, pan, and zoom the model to get the desired view.
Use the View menu or the View Orientation dialog to select a standard or named view.
Select a camera view for that time.
Repeat step 2 to define the desired number of view orientation key points.
When the animation is complete, right-click Orientation and Camera Views and select Disable View Key Creation to prevent changes from writing view orientation key points to the animation.
You can play back the animation, but you can not accidentally change it.
To disable view orientation animation:
When you are creating an animation by moving parts and playing back the animation to review that movement, you might want to rotate, pan, and zoom the model to see the animation more clearly. However you probably do not want those view orientation changes recorded as part of the animation. You also might not want your view to reset to the one recorded in the animation whenever the time changes. The Orientation and Camera Views shortcut menu options allow you to do this.
Right-click Orientation and Camera Views and select Disable Playback of View Keys, which also automatically selects Disable View Key Creation.
With Disable View Key Creation selected, you cannot write view orientation keys to the animation, You can therefore pan, zoom, or rotate the camera to define component position or display changes without recording those movements in the animation. You must clear this option to write view orientation key points to the animation.
With Disable Playback of View Keys selected, all the view orientation key points are suppressed, which allows you to pan, zoom, or rotate the model as the animation is playing back. playing the animation does not change the orientation of the model in the graphics area, or whether a camera view is being used. Changes to the view orientation do not create new key points. You must clear this option to be able to clear Disable View Key Creation.
The key points that control camera properties
are not affected by these options.