Navigate 3D model in perspective view

	In Perspective Camera mode , use the Zoom, and Pan commands with key combinations.
	Set the model view to Perspective Camera mode: On the ribbon View tab, Appearance panel, select the Perspective Camera. Position the model so that you can sight down the axis of your intended initial motion.

	While Zoom is active, press SHIFT+F3, and hold down the left mouse button as you drag. This action moves the camera and the camera target point along your current line of sight. While Zoom is active, press and hold down the left mouse button as you click F3, and drag. This action moves the camera and the camera target point along your current line of sight.
	While Pan is active, press SHIFT+F2, and hold down the left mouse button and drag while the Pan command is active. This action pivots the camera to change the line of sight.

Set the amount of perspective distortion

• PressSHIFT + CTRL+F3.

  Adjust camera position and lens focal length simultaneously. For instance, for a given view or view path, use a wider angle lens, if necessary.