It does have a AIAF off/on in the menu.
But you have to be in "manual" mode to see it amd use it.
When it is ON you use Multi-point auto focus, when it is OFF you use Center Point auto focus.
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Here is a link with photos that should help:
http://www.steves-digicams.com/2005_reviews/sd400_pg3.html
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Hi.I just bought a canon powershot sd400 yesterday. When I read te user guide, I found there was no AIAF on/off option in the menu. Is there any wrong with this camera?Thank you!

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