Nikon Autofocus Speedlight SB-22 Instruction Manual page 28

LAlign film speed in use
with the film speed index.
Note:
Lrnes between the numbers on
the lilm speed scale represent tnter-
medtale selttngs (See tltustralron )
3 2 r
$,. Select and set aperture.
--
The aperture scale window shows usable apertures (Dependrng on
film speed in use, all usable apertures may not be shown in the aperture
scale window; for usable apertures, see table on page 29.)
For example, with the film speed index at ISO 100, you can select any
aperture trom ll2Io t122. Selecting f/4 lets you take pictures of subjects
O B m t o 6 . 2 m ( a p p r o x 2 6 f t t o 3 0 f t . ) a w a y
l l