Godox TT685C - Wireless Flash: Optic Transmission

1/32 60 60 60 50 50 40 30
1/64 90 90 90 80 80 70 60
1/128 100 100 100 100 100 90 80
10 11 12-14 15-19 20-50 60-199
1/4 2 2 2 2 2 2
1/8 4 4 4 4 4 4
1/16 8 8 8 8 8 8
1/32 20 20 20 18 16 12
1/64 50 40 40 35 30 20
1/128 70 70 60 50 40 40
If the number of flashes is displayed as “--”, the maximum number of flashes will be as shown in
the following table regardless of the flash frequency.
Flash Output 1/4 1/8 1/16 1/32 1/64 1/128
Number of
Flashes
2 4 8 12 20 40
Wireless Flash：Optic Transmission
This product supports wireless flash application and functions as either a master
or a slave unit. As a master unit, it can control Canon speedlites e.g. 580EXII,
600EX-RT via wireless. As a slave unit, it can receive wireless signals of Canon
Hz
Flash
Output