The three Nikkor Z lenses, 50mm F1.2 S, MC 105mm F2.8 VR and 24-70mm F2.8 S, are being enhanced with linear focus behavior via firmware updates. In manual mode, this allows the plane of focus to shift evenly depending on how far the focus ring is turned, while in non-linear mode (focus by wire), the speed at which the ring is turned also affects the speed of the focus shift.
Nikkor Z 24–70mm F2.8 S
A linear responding focus ring is often preferred in video operation, as it allows for more consistent and predictable focus shifts while the camera is running.
As another minor innovation, the focus ring and adjustment ring can now be swapped via menu. Both functions are supported by the Nikon Z 9 (from firmware version "C" 2.00), the Z 7II (from firmware version "C" 1.40) and the Z 6II (from firmware version "C" 1.40).
The new firmware versions 1.10 and 1.20 respectively are already available on the Nikon download page.