Canon PowerShot SD870 IS PowerShot SD870 IS DIGITAL ELPH / DIGITAL IXUS 860 IS - Page 100

98 Various Shooting Methods The AF frame appears as follows when the shutter button is pressed halfway. - Green : Focus is achieved - Yellow : Focusing difficulty (AF frame set to [Center]) - No AF frame : Focusing Difficulty (AF frame set to [Face Detect] or [AiAF]) Face Detect Feature z Maximum of three Face frames will be displayed at the position of the face the camera recognizes. At this point, the frame the camera judges to be the main subject appears in white while the others appear in gray. When the shutter button is pressed halfway, up to 9 green AF frames may appear. z The camera will shoot using [AiAF] not the [Face Detect] function if a white frame fails to appear and only gray frames display, or if a face is not detected. z The camera may mistakenly identify non-human subjects as a face. z In certain cases, faces may not be detected. Examples: - If faces are at the edge of the screen, or appear extremely small, large, dark or bright, relative to the overall composition. - Faces turned to the side or at a diagonal, or faces with a portion hidden.