Canon PowerShot ELPH 150 IS User Guide - Page 53
Face AiAF, Choose [Tracking AF]., Choose a subject to focus on., Shoot.
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Still Images Movies Face AiAF • Detects people's faces, and then sets the focus, exposure (evaluative metering only), and white balance ([ ] only). • After you aim the camera at the subject, a white frame is displayed around the person's face determined by the camera to be the main subject, and up to two gray frames are displayed around other detected faces. • When the camera detects movement, frames will follow moving subjects, within a certain range. • After you press the shutter button halfway, up to nine green frames are displayed around faces in focus. • If faces are not detected, or when only gray frames are displayed (without a white frame), up to nine green frames are displayed in the areas in focus when you press the shutter button halfway. • If faces are not detected when Servo AF (=54) is set to [On], the AF frame is displayed in the center of the screen when you press the shutter button halfway. • Examples of faces that cannot be detected: - Subjects that are distant or extremely close - Subjects that are dark or light - Faces in profile, at an angle, or partly hidden • The camera may misinterpret non-human subjects as faces. • No AF frames are displayed if the camera cannot focus when you press the shutter button halfway. Still Images Choosing Subjects to Focus On (Tracking AF) Shoot after choosing a subject to focus on as follows. Before Use Basic Guide Advanced Guide 1 Choose [Tracking AF]. zzFollow the steps in "Changing the AF Frame Mode" (=52) to choose [Tracking AF]. zz[ ] is displayed in the center of the screen. 2 Choose a subject to focus on. zzAim the camera so that [ ] is on the desired subject. zzPress the shutter button halfway. [ ] changes to a blue [ ], which follows the subject as the camera continues to adjust the focus and exposure (Servo AF) (= 54). 3 Shoot. zzPress the shutter button all the way down to shoot. Camera Basics Auto Mode Other Shooting Modes P Mode Playback Mode Setting Menu Accessories Appendix Index • [Servo AF] (=54) is set to [On] and cannot be changed. • Tracking may not be possible when subjects are too small or move too rapidly, or when subject color or brightness matches that of the background too closely. • [AF-Point Zoom] on the [4] tab is not available. • [e] and [u] are not available. 53