Sony DSC-W220/B - Cyber-shot Digital Still Camera Handbook page 31

Shooting still images (Scene Selection)
z Hints for better capturing of smiles
1 Do not cover the eyes with the bangs.
2 Try to orient the face in front of the camera and be as level as possible. The detection rate is higher
when the eyes are narrowed.
3 Give a clear smile with an open mouth. The smile is easier to detect when the teeth are showing.
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