(Alex delivers the clue from Sony Headquarters in Tokyo, Japan, posing for the camera with Kelly.) The Sony DSCT-100's face detection feature brings out expression by controlling focus, color, flash & this, the amount of light
[DOC] [TLE] DSC-HX300 | Face Detection | Cyber-shot User Guide - Sony [PAR] When the Face Detection function is used, the camera detects the faces of your 
subjects and adjusts the focus, flash, exposure, white balance ...