Global Support for Professionals
Custom Setting f1 (Custom control assignment) can be used to assign different roles, including focus-related functions, to camera controls such as the Pv and Fn buttons.
You can use Lens focus function buttons to choose the role played by the focus function buttons when the focus function selector on the lens is set to AF‑L. For fast-moving sports, choose AF-area mode to enable rapid AF-area mode selection.
As of March 2016, the following lenses featured focus function selectors: