Zooms in and out in a perspective view.
Access Methods
Toolbar:
Menu:
Shortcut menu: Start any 3D navigation command, right-click in the drawing area, and click Other Navigation Modes 
Zoom (8).
Pointing device: Scroll the mouse wheel to zoom in and out.
Summary
Zooming in a perspective view simulates moving the camera closer to the target or farther away. Objects appear closer or farther away, but the position of the camera does not change.
List of Prompts
The following prompts are displayed in a perspective view.
Press Esc or Enter to exit, or right-click to display shortcut-menu.
Enter option [All/Extents/Window/Previous/Object] <real time>:
- All
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Zooms to display the entire drawing.
- Extents
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Zooms to display the drawing extents and results in the largest possible display of all the objects
- Window
-
Zooms to display an area specified by two points of a rectangular window.
- Previous
-
Zooms to display the previous view.
- Object
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Zooms to display one or more selected objects as large as possible and in the center of the view.
- Real Time
-
Using the pointing device, zooms interactively.