Canon PowerShot G1 X Mark III PowerShot G1X MarkIII Camera User Guide - Page 91

Digital Tele-Converter Still Images Movies The focal length of the lens can be increased by approximately 1.6x or 2.0x. This can reduce camera shake because the shutter speed is faster than it would be if you zoomed (including using digital zoom) in to the same zoom factor. zzPress the [ ] button, choose [Digital Zoom] on the [ 3] tab, and then choose the desired option (=31). zzThe view is enlarged and the zoom factor is displayed on the screen. ●● The shutter speed may be equivalent when you move the zoom lever all the way toward [ ] for maximum telephoto, and when you zoom in to enlarge the subject to the same size following step 2 in "Zooming In Closer on Subjects (Digital Zoom)" (=42). Choosing the AF Method Still Images Movies Change the auto focus (AF) mode to suit shooting conditions. zzPress the [ ] button, choose [ ] in the menu, and choose the desired option (= 31). ●● You can also configure this setting by accessing MENU (=31) > [ 3] tab > [AF method]. 1-point AF Still Images Movies The camera focuses using a single AF frame. Effective for reliable focusing. You can also move the frame by touching the screen (=95). ●● A yellow frame is displayed with [ ] if the camera cannot focus when you press the shutter button halfway. ●● To compose shots so that subjects are positioned at the edge or in a corner, first aim the camera to capture the subject in an AF frame, and then hold the shutter button halfway down. As you continue to hold the shutter button halfway, recompose the shot as desired, and then press the shutter button all the way down (Focus Lock). ●● To return the AF frame to the original position in the center, keep the [ ] button held down. Moving and Resizing AF Frames (1-point AF) Still Images Movies When you want to change the position or size of the AF frame, set the AF method to [1-point AF]. 1 Move the AF frame. zzPressing the [ ] button displays the AF frame in orange. zzTurn the [ ] or [ ] dial to move the AF frame, and press the buttons to fine-tune the position. zzTo return the AF frame to the original position in the center, press the [ ] button. Before Use Basic Guide Advanced Guide Camera Basics Auto Mode / Hybrid Auto Mode Other Shooting Modes P Mode Tv, Av, M, and C Mode Playback Mode Wireless Features Setting Menu Accessories Appendix Index 91