Time for action — zooming with the Numpad
The Blender Numpad also allows you to control the zoom. But this may not work if you have Emulate Numpad enabled. If you do, skip to the next Time for action — section.
Press the + (plus) key on the Numpad several times.
Press the - (minus) key on the Numpad several times.
Press the. (period) key on the Numpad.
Press the Home key on the keyboard (This is not the Home key on the Numpad.) Press fn+Left arrow if you are using a Mac with no Home key.
What just happened?
Pressing the "+" key on the Numpad zooms into the scene by steps and pressing the "-" key on the Numpad zooms out. To fill the view with the active object, you press the "." key on the Numpad, which makes it easy to focus on what you are working on. Pressing the Home key on the keyboard lets you see everything in the scene so you can get your bearings, get an overview of the scene, or switch to working on a different object.
If you are emulating the Numpad, the regular plus and minus keys should...