I finally "got it"
Apr 14, 2019 20:01:54 #
amfoto1 wrote:
The advantages of BBF include that you can use AI Servo as your default mode... both for moving and for stationary subjects. Without BBF that can be problematic at times, such as if you use a "focus and recompose" technique. BBF puts you in full control of when the AF starts and stops, solving that possible problem. It's advantageous to be able to use AI Servo for both types of subjects, rather than have to switch modes frequently.
It would not be problematic if you use the back button to lock focus when recomposing, instead of activating focus. You can then still use AI Servo for both moving and stationary subjects. And, you can lock focus and exposure on your subject before recomposing. You still have full control.
On my Nikons I have continuous focus set for single and continuous shooting, but haven't used single in many years.
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