New Setup Menu Item: "Save Zoom Position (Pz Lenses); The Focal Length Display - Nikon Z8 Reference Manual

Tip: Assigning Power Zoom to Camera Controls
The power zoom role can be assigned to camera controls using options newly added to Custom
Settings f2 [Custom controls (shooting)] and g2 [Custom controls]. This role can be assigned to the
Fn1 and Fn2 buttons ( 55).
0
New Setup Menu Item: "Save Zoom Position (PZ
Lenses)"
If [ON] is selected when a power zoom (PZ) lens is attached, the
camera will save the current zoom position when turned off and
restore it when next turned on. Note that this increases camera
startup times.

The Focal Length Display

The lens focal length is shown in the shooting display when a
power zoom lens is attached.
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Support for Power Zoom