Nikon D300 User Manual page 223

The Non-CPU Lens Data Menu
1
Select [Non-CPU lens data].
Highlight [Non-CPU lens data]
in the setup menu (pg. 311)
and press 2.
2
Select a lens number.
Highlight [Lens number] and
press 4 or 2 to choose a lens
number between 1 and 9.
3
Select a focal length.
Highlight [Focal length (mm)]
and press 4 or 2 to choose a
focal length between 6 and
4,000 mm.
4
Select a maximum
aperture.
Highlight [Maximum aperture]
and press 4 or 2 to choose a
maximum aperture between
f/1.2 and f/22. The maximum aperture for teleconverters is the
combined maximum aperture of the teleconverter and lens.
t
197