Canon PowerShot SX70 HS Advanced User Guide - Page 118

zz Focusing may take longer or be incorrect when subjects are dark or lack contrast, or in very bright conditions. +Tracking zz After you aim the camera at the subject, a white frame is displayed around the face of the main subject as determined by the camera. zz If no faces are detected when you aim the camera at people, pressing the shutter button halfway displays green frames around other areas in focus. zz With the following subjects, faces may not be detected. -- Subjects that are distant or extremely close -- Subjects that are dark or light -- Faces in profile, at an angle, or partly hidden zz The camera may misinterpret non-human subjects as faces. zz Pressing the button displays [Face select: On], and a face frame [ ] is shown around the face detected as the main subject. Press the button again to switch the face frame [ ] to another detected face. Once you cycle through all detected faces, [Face select: Off] is displayed and Face Select is canceled. zz Choosing Subjects to Focus On (Tracking AF) 1[ ] zz [ ] is displayed in the center of the screen. 2 Choose a subject to focus on. zz Aim the camera so that [ ] is on the desired subject, and then press the button. 118