V1.02
Thom Hogan’s Complete Guide to the Nikon D300
Page 624
Internal Flash Guide Numbers (Meters)
Output Level
ISO 100 200
400
800
1600 3200
Full
Power 13 18 26 36 50
70
1/2
Power 9.3 13 18 26 36
50
1/4
Power 6.6 9.3 13 18 26
36
1/8
Power 4.7 6.6 9.3 13 18
26
1/16
Power 3.4 4.7 6.6 9.3 13
18
1/32
Power 2.4 3.4 4.7 6.6 9.3
13
1/64
Power 1.7 2.4 3.4 4.7 6.6
9.3
1/128
Power 1.2 1.7 2.4 3.4 4.7
6.6
Note: All numbers above 10 rounded to the nearest digit; all
numbers below that rounded to the nearest tenth.
To Set Repeating Flash
1.
Press the
MENU
button to show the menu system.
a.
Use the Direction pad to navigate to the
Custom Settings tab. Press the
>
key to enter
the Custom Settings menu.
b.
Use the Direction pad to navigate to Custom
Setting #E3. Press the
>
key to enter the Flash
Mode setting.
c.
Use the Direction pad to navigate to
Repeating Flash
mode. Press the
>
key to