Nikon D300 Complete Manual page 397

Fortunately, if something is consistently off, you can apply a
consistent correction to it, and that's what Nikon is offering us
with AF fine tune (on the SETUP menu). Basically, the
camera allows you to set and can remember corrections for
up to 12 lenses.
First, we have some more background to deal with. How does
the camera know which 12 lenses?
Every Nikkor lens with a chip in it (all autofocus lenses plus
all AI-P lenses, basically) has an identification code that is
passed to the camera. Here's a table of most current and
many older Nikkor ID values, for instance
1 50mm f/1.8
2 35-70mm f/3.3-4.5
3 70-210mm f/4
4 28mm f/2.8
5 50mm f/1.4
6 55mm f/2.8
7 28-85mm f/3.5-4.5
8 35-105mm f/3.5-4.5
9 24mm f/2.8
10 300mm f/2.8 IF-ED
11 180mm f/2.8 IF-ED
13 35-135mm f/3.5-4.5
14 70-210mm f/4
15 50mm f/1.8
16 300mm f/4 IF-ED
17 35-70mm f/2.8
18 70-210mm f/4-5.6
19 24-50mm f/3.3-4.5
20 80-200mm f/2.8 ED
21 85mm f/1.8
23 500mm f/4P
24 35-135mm f/3.5-4.5
110 A curious thing to note about this list is that numbers are assigned in the order the
lenses enter into final design, not when they actually appear. Some of the missing
numbers in this table are for IX lenses, which don't work with the DSLRs; others are
ones I just haven't gotten a reading for. A few are for lenses that aren't out yet.
Thom Hogan's Complete Guide to the Nikon D300
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