Nikon D500 - Manual (Page 77)

77 Menu Guide
Choose whether separate focus points can be selected for
“wide” (landscape) orientation, for “tall” (portrait) orientation
with the camera rotated 90° clockwise, and for “tall” orientation
with the camera rotated 90° counterclockwise.
Select Off to use the same focus point and AF-area mode
regardless of camera orientation.
a7: Store by Orientation
G button
➜ A Custom Settings menu
Camera rotated
90°counter-clockwise
Landscape (wide)
orientation
Camera rotated
90°clockwise