Camera stay focused when shooting video

How do you keep the Rebel T3i in short, when shooting video of moving objects that are moving towards or away from the camera? I understand the Nikon D5100 has continuous autofocus, but the Canon EOS Rebel T3i doesn't have such a feature.

Hi jla930,

The AI Servo AF mode is for moving subjects when the focus distance continues to change. While you hold down the shutter button halfway, the topic will focus at all times.

To access this mode, press the arrow key to the right (AF) and choose "AI Servo", as shown below:

  • Exposure is set at the moment the picture is taken.
  • The selection of the point AF is automatic, the camera first use the central AF point to focus. During the development automatic, if the subject moves away from the center of focus, followed continues as long as the subject is covered by another area of focus.

Tags: Canon Camera

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