Nikon D300 User Manual page 508

1. Select Non-CPU lens data
scroll to the right.
2. Scroll down to
you find the number you want to use for this particular
lens.
3. Scroll down to
to select the focal length of the lens. If this is a zoom
lens, just select the widest setting. This works okay since
the meter will adjust for any light falloff that may occur
as the lens is zoomed out.
Figure 5-38. Non-CPU lens screens with lens No.1
showing
4. Scroll down to
to select the maximum aperture of the lens. If this is a
variable-aperture zoom lens, just select the largest
aperture the lens can use. This works fine since the meter
will adjust for the variation in the aperture.
5. Scroll to
setting.
Here's a more detailed analysis of the
screen selections:
Lens number
Focal length (mm)
Maximum aperture
Done and press the
508
from the Setup Menu
and scroll left or right until
and scroll left or right
and scroll left or right
OK button
Non-CPU lens data
and then
to store the