- Tap the camera icon to fire up the iPhone 4 camera. By default, this icon will be on your iPhone's first home screen.

- In the bottom of the camera app, there's a slider to

choose between still and video recording

. Still represented by the camera icon (left), video represented by the video camera icon (right).

- The icon in the top-right of the camera app lets you choose between the front- and rear-facing cameras on the iPhone 4.

- Note that you can't change between the front- and rear-facing cameras while recording.

- You can shoot in either portrait or landscape mode. However, you can't change the orientation while recording.

- Tap the record button to begin shooting.

- Tap an item in the viewfinder to change the focus point.

- Tap the record button again to store your video.