Nikon Autofocus Speedlight SB-24 - Manual (Page 103)

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5 Referring to the distance to the subject, press the SB-24 M
" button untii the SB-24’s distance scaie indicates a distance
which corresponds to the actuai focused distance to the subject.
Now, the SB-24's LCD (lower right corner) wiii indicate the levei
of fiash power needed to provide a fiash exposure equal to the
daylight exposure.
However, as previousiy noted, in order to get a good fiii-fiash
ratio, the fiash exposure should be one to two stops darker than
the daylight exposure. Therefore, press fhe M button one or two
times more. This will adjust the flash to one or two levels less
light, (i.e. half the power which will reduce the exposure by one
f/stop. Pressing it twice moves it to 1/4, which is two stops less
than full (1/1) power.)
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It is possible to approach this procedure from another point of
view; fhat is by firsf adjusting the flash to the desired flash
power setting, then selecting a lens aperture which is one stop
smaller than that indicated by the flash, and then adjusting the
shutter control for the correct available-light exposure.
Whichever method you use, you will need to make a creative
decision by choosing the fill-flash ratio. We hasten to note that
while you may wish to use the manual mode, when using the
SB-24 with Matrix Balanced Fill-Flash, all of these steps are
accomplished automatically.
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