Canon PowerShot SX420 IS User Manual - Page 56
Choosing Subjects to Focus On Tracking AF, Face AiAF
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Face AiAF Still Images Movies ●● 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 (=57) 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. Choosing Subjects to Focus On (Tracking AF) Still Images Shoot after choosing a subject to focus on as follows. Movies 1 Choose [Tracking AF]. ●●Follow the steps in "Changing the AF Frame Mode" (= 55) to choose [Tracking AF]. ●●[ ] is displayed in the center of the screen. 2 Choose a subject to focus on. ●●Aim the camera so that [ ] is on the desired subject, and then press the [ ] button. ●●When the subject is detected, the camera beeps and [ ] is displayed. Even if the subject moves, the camera will continue to track the subject within a certain range. ●●If no subject is detected, [ ] is displayed. ●●To cancel tracking, press the [ ] button again. 3 Shoot. ●●Press the shutter button halfway. [ ] changes to a blue [ ], which follows the subject as the camera continues to adjust the focus and exposure (Servo AF) (= 57). ●●Press the shutter button all the way down to shoot. Before Use Basic Guide Advanced Guide 1 Camera Basics 2 Auto Mode 3 Other Shooting Modes 4 P Mode 5 Playback Mode 6 Wi-Fi Functions 7 Setting Menu 8 Accessories 9 Appendix Index 56