User Manual

47
ABSOLUTE LIGHT
INTENSITY
SCALE IN EV
RELATIVE LIGHT INTENSITY SCALE
OF 4 FLASHES WITH DIFFERENT FULL
POWER GUIDE NUMBERS
FLASH
A
FLASH
B
FLASH
C
FLASH
D
18
17 GN58
16 1/2 GN41
15 GN29 1/4 1/2
14 1/2 1/8 GN21 1/4
13 1/4 1/16 1/2 1/8
12 1/8 1/32 1/4 1/16
11 1/16 1/64 1/8 1/32
10 1/32 1/128 1/16 1/64
9 1/64 1/32 1/128
8 1/128 1/64
7 1/128
6
W h e n y o u s e t a ll  a s h e s t o 1 1 E V (s e e
italicized section in the above table) in
absolute power mode, all ashes will emit
the same intensity of light notwithstanding
the differences in their own relative power
scale. For instance, at 11 EV, Flash A is
f iring the amount of light equal to its 1/16
power, while Flash C is f iring equal to its