Video Camera Autofocus?

I'm curious if the new iphone 4 video camera has continuous autofocus or does the camera only focus when you start a recording and then only after when you tap the screen to focus. Is this a feature that can be changed under settings? I do know the 3GS did not have an continually focusing lens and that to refocus the camera takes a tap on the screen.The autofocus feature probably kills battery kill, but it just doesn't make sense not to have it, or to at least have the ability to turn it on and off.
Thanks for your help.

The current way the camera focuses while using iOS 4 is as follows:
When you begin recording you now have the ability to change what is being focused on when you tap.
When shifting focus the camera only adjusts the light/color balance of the central area of focus.
If you tap somewhere else, only then will it fully focus on the object. Also, that area will be what the camera bases what it is focusing on for light/color balance.
Message was edited by: Sakumo

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