Nikon D500 - Manual (Page 278)

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To recall lens data when using a non-CPU lens:
1
Assign non-CPU lens number selection to a camera control.
Assign Choose non-CPU lens number to a control using
Custom Setting f1 (Custom control assignment,
0 301).
2
Use the selected control to choose a lens number.
Press the selected control and rotate the main or sub-
command dial until the desired lens number is displayed in
the control panel.
A
Focal Length Not Listed
If the correct focal length is not listed, choose the closest value greater
than the actual focal length of the lens.
A Teleconverters and Zoom Lenses
The maximum aperture for teleconverters is the combined maximum
aperture of the teleconverter and the lens. Note that lens data are not
adjusted when non-CPU lenses are zoomed in or out. The data for
different focal lengths can be entered as separate lens numbers, or the
data for the lens can be edited to reflect the new values for lens focal
length and maximum aperture each time zoom is adjusted.
Main command dial
Focal length Maximum aperture
Lens number