
42
scales are translated into the absolute
power scale.
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
When you set all flashes to 11 EV (see
italicized section in the above table) in
absolute power mode, all flashes will emit
the same intensity of light notwithstanding
the differences in their own relative power
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