Canon PowerShot SX540 HS User Manual - Page 77
Shooting with the AF Lock, Changing the Focus Setting
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●● Focusing may not be possible in some shooting conditions. ●● In low-light conditions, Servo AF may not be activated (AF frames may not turn blue) when you press the shutter button halfway. In this case, the focus and exposure are set according to the specified AF frame mode. ●● If adequate exposure cannot be obtained, shutter speeds and aperture values are displayed in orange. Release the shutter button, and then press it halfway again. ●● AF lock shooting is not available. ●● [AF-Point Zoom] on the [ ] tab (=29) is not available. ●● Not available when using the self-timer (=43). Changing the Focus Setting Still Images Movies You can change default camera operation of constantly focusing on subjects it is aimed at, even when the shutter button is not pressed; instead, you can limit camera focusing to the moment you press the shutter button halfway. ●●Press the [ ] button, choose [Continuous AF] on the [ ] tab, and then choose [Off] (=29). Helps avoid missing sudden photo opportunities, because On the camera constantly focuses on subjects until you press the shutter button halfway. Off Conserves battery power, because the camera does not focus constantly. Shooting with the AF Lock Still Images Movies The focus can be locked. After you lock the focus, the focal position will not change even when you release your finger from the shutter button. 1 Lock the focus. ●●With the shutter button pressed halfway, press the [ ] button. ●●The focus is now locked, and [ ] and the MF indicator are displayed. ●●To unlock the focus, hold the shutter button halfway down and press the [ ] button again. 2 Compose the shot and shoot. Before Use Basic Guide Advanced Guide 1 Camera Basics 2 Auto Mode / Hybrid Auto Mode 3 Other Shooting Modes 4 P Mode 5 Tv, Av, and M Mode 6 Playback Mode 7 Wi-Fi Functions 8 Setting Menu 9 Accessories 10 Appendix Index 77