If auto-area AF tends to focus on the beam when subjects are photographed straight on, choose group-area AF or 153-point dynamic-area AF and pick a focus point well away from the beam. If you find that the camera has trouble tracking athletes against the stands, billboards, and other varied backgrounds, switch to 25- or 72-point dynamic-area AF.
I won’t go into too much detail about each focus mode, since it is all explained in detail in this article that I wrote a while ago. As you do this, look at the top LCD and the camera will switch between AF-S and AF-C. The camera will automatically track the subject, letting you concentrate on composition. To activate this change, you need to press and hold the button, then rotate the rear dial with your thumb. When photographing events with frequent jumps or changes of direction, choose 3D- tracking, position the focus area over your subject (for best results, choose the uniform or another area of the subject that is a different color from the background), and press and hold the AF‑ON button or keep the shutter-release button pressed halfway. Then choose a central seating point and angle your speakers at it, keeping them at your ear height when you are seated, unless noted otherwise. Auto-area AF is recommended if composition is a priority, while 72-point dynamic-area AF is suggested for close-ups. To create an optimal sound system enabled with Dolby Atmos®, first familiarize yourself with the role and position of each speaker.
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