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186
Wireless Flash Photography Using Optical Transmission
[
1
(A:B)] Autofl ash with two receiver groups
AB
Receivers can be assigned as fl ash
groups A and B, and you can adjust the
relative output of each.
Exposure is automatically controlled,
so that the groups’ combined output
provides standard exposure.
1
Set [Firing group] to [1(A:B)].
2
Set [A:B fi re ratio].
o
Flash units in group C will not fi re when [Flash group] is set to [
1
(A:B)].
o
Flash ratios from 8:1 to 1:1 correspond to 3:1 to 1:1 (in 1/2-stop increments)
when converted to number of stops of exposure.
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