Nikon NIKKOR Z 180-600mm f/5.6-6.3 VR Lens (Z) - Manual (Page 11)

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L-Fn buttons
Press to perform a function 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. There are four buttons positioned around the
lens at 90º intervals.
Strap eyelets
For use when attaching a lens strap. There are two eyelets, one on each
side of the tripod collar ring.
0 “Attaching a Lens Strap” (p.24)
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Parts of the Lens:
Names and Functions
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