Canon back button focus question

Started 2 months ago | Questions thread
Ray Chen Veteran Member • Posts: 9,651
One-Shot AF in the AI Servo Mode

Suman Vajjala wrote:

Suppose the continuous AF menu option is on and BBF is released just before taking the shot. Will the picture be in focus? The camera is in Servo AF.

You are telling the camera to stop focusing.  The picture will be in focus if the subject and the camera did not change their distance relationship after the focus stop,  This is actually how you do One-Shot AF in the AI Servo mode.

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