Nikon D7000 User Manual page 24

To recall lens data when using a non-CPU lens:
1
Assign non-CPU lens number selection to a camera control.
Select Choose non-CPO lens number for Custom Setting f3 (Assign Fn
button, _ 230) or Custom Setting f4 (Assign preview button, _ 232).
2
Use the selected control to choose the lens number.
Press the selected button and rotate the main command dial until the desired
lens number is displayed in the control panel.
Fnbutton Main command dial
Focallength Maximum aperture
Lensnumber
Control panel
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