The external flash must be a compatible EX-series Speedlite unit. You also can adjust the setting via the Quick Control screen. In Movie mode, you also can disable continuous autofocusing via ⦠If the contacts are particularly dirty, please contact the nearest Canon Service Center. The selected AF operation mode setting appears at the bottom of the screen. Jul 12, 2003 Re: night time ... 2.1% Canon EOS M100 1.9% Nikon D850 1.7% Canon PowerShot G9 X Mark II 1.5%. Whatâs more, you often use a wide aperture to throw the background out of focus. The focusing system can have trouble locking on subjects that are moving very quickly toward or away from the lens as well as on subjects that are very close to the lens. Securely mounting the lens . Canon has some great IS lenses ( primes and zoom) and the new primes that are on the market with IS included (24mm IS, 28mm IS and 35mm IS ) are clearly focused on video. The autofocusing system is very quiet, so you may not experience this issue frequently. Your chosen setting affects all advanced exposure modes. Scroll down to C.Fn III: Autofocus/Drive and then press Set. Canon also has some AF-Area Modes like âSpot AFâ, where you could fine-tune your focus inside a focus point. Julie Adair King has been writing about digital cameras and photography for more than a decade. 8. When focus is locked, the focus frame turns green, as shown on the right above, and the camera emits a beep. Otherwise, continuous autofocusing begins again when you release the button. Press the