Nikon NIKKOR Z 400mm f/2.8 TC VR S Lens - Manual (Page 8)

Using the Lens
Parts of the Lens: Names and Functions
The parts of the lens are listed below.
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Fn ring
Rotate to instantly recall a stored focus position (“memory recall”).
“Memory Recall” (p.28)
Control ring
Rotate to adjust a setting such as [Aperture] or [Exposure compensation]
assigned using the camera. For more information, see the description of
[Custom control assignment], [Custom controls], or [Custom controls
(shooting)] in the documentation provided with the camera.
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Parts of the Lens: Names and Functions
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