You can manually select one of the 61 AF points. The area of focus is even smaller than Single-point AF. Effective when focusing on a small area, such as the pupil of an eye, or when competing distances make it hard to focus—photographing lion though tall grasses, for example. Focusing may be difficult during hand-held photography or with a moving subject as the focusing area is smaller and keeping the AF point on the subject will become more difficult.

The default AF point selection method. You can manually select one of the 61 AF points.

Focusing uses a manually selected AF point and the four adjacent points above, below, and on both sides of the selected point. Useful when shooting a moving subject that is hard to follow with Single-point AF.
*In AI Servo AF mode, the subject has to first be focused with a manually selected AF point.

Focusing uses a manually selected AF point and the eight surrounding points. Useful when shooting a moving subject that is hard to follow with Single-Point AF.
*In AI Servo AF mode, the subject has to first be focused with a manually selected AF point.

Focusing uses one of the 9 zones divided among the 61 AF points. In any AF mode, AF points will be automatically selected from all points within the selected zone, with the camera generally focusing on the nearest subject. Effective when shooting a moving subject that maybe hard to follow with Single-point AF or AF point expansion.

In One-Shot AF mode, the camera generally focuses on the nearest subject. Active AF points will be shown when focus achieved.
In AI Servo AF, the user can manually select an AF point as the autofocus starting point. After initial focus is acquired, the camera automatically changes AF points to continue to cover a subject across the entire 61-point AF array.