Your camera has different AF modes, if Nikon AF-S and AF-C, and if Canon
One shot, AI focus and AI servo. So which one do you use and when?
The Nikon AF-S is equivalent to Canon’s One Shot and Nikons AF-C is equivalent to Canons Ai Servo.
When a subject is static (ie not moving) one sets the camera on AF-S or One shot. This locks focus and prevents the camera lens looking for movement and trying to refocus. This method is the correct method as long as the subject does not move.
If photographing a moving object set your camera to AF-C or Ai Servo, so the cameras AF can track movement. Appling these two simple principles will ensure a far better keeper rate.