Movie Servo AF

With this function enabled, the camera focuses on the subject continuously during movie recording.

  1. Set the Mode dial to Movies, Scene intelligent auto movie, Special scene movie, or Slow and fast motion.

  2. Select [Autofocus: Movie Servo AF].

  3. Select [Enable].

    • Enable

      • By default, pressing the AF-ON button focuses using your specified AF area.
      • By default, pressing the shutter button halfway starts metering.

      • To keep the focus at a specific position, or if you prefer not to record mechanical sounds from the lens, you can temporarily stop Movie Servo AF by tapping [Movie Servo AF] in the lower left of the screen.

      • Movie Servo AF will resume after pausing if you return to movie recording after operations such as pressing the MENU or Playback button or changing the AF area.

    • Disable

      • By default, pressing the AF-ON button focuses using your specified AF area.
      • By default, pressing the shutter button halfway starts metering.

Caution

  • Precautions when set to [Movie Servo AF: Enable]

  • Autofocusing when recording with Canon Log or at frame rates of 100 fps or higher may be more difficult for subjects under low light, or for low-contrast subjects. Difficulty in autofocusing can be reduced by shooting near maximum aperture or using a bright lens.

  • Shooting conditions that make focusing difficult

    • A fast-moving subject approaching or moving away from the camera.
    • A subject moving at a close distance to the camera.
    • When shooting with a higher aperture value.
    • Also see “Shooting Conditions That Make Focusing Difficult” ().
  • Since the lens is driven continuously and the battery power is consumed, the possible movie recording time will be shortened.
  • The camera's built-in microphone may also record mechanical sounds of the lens or sounds of camera/lens operations if AF operations are performed or the camera or lens is operated during movie recording. If so, it may help reduce these sounds if you use an external microphone equipped with an output plug and position it away from the camera and lens.
  • Movie Servo AF pauses during zooming or magnified view.
  • During movie recording, if a subject approaches or moves away or if the camera is moved vertically or horizontally (panning), the recorded image may momentarily expand or contract (change in image magnification).

Subject Detection AF

You can specify whether to use Movie Servo AF if the subject set in [Autofocus: Subject to detect] () is not detected.

  • Detect. priority

    Movie Servo AF is used for automatically selected subjects within the area set in [Autofocus: AF area] ().

    Subjects set in [Autofocus: Subject to detect] are prioritized for automatic selection.

  • Detect. only

    Movie Servo AF is only used for subjects set in [Autofocus: Subject to detect]. Movie Servo AF stops if no subject is detected.