Canon Speedlite 430EX III-RT Instruction Manual - Page 48

Shooting in a Different Flash Mode Set for Each Group

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' Radio Transmission Wireless Flash Shooting Shooting in a Different Flash Mode Set for Each Group (p.63) E-TTL II Ceiling E A B E-TTL II Manual flash D C Manual flash Manual flash * The flash mode settings are indicated only as an example. Difference between Radio Transmission and Optical Transmission Wireless shooting using radio transmission has advantages over wireless shooting using optical transmission, such as being less affected by obstacles, and not having to point the slave unit's wireless sensor toward the master unit. The main functional differences are as follows. Function Radio Transmission Optical Transmission Transmission distance Firing group control Approx. 30 m/98.4 ft. Up to 5 groups*1 (A, B, C, D, E) Approx. 15 m/49.2 ft. (indoors) Up to 3 groups (A, B, C) Slave unit control Up to 15 units No restriction Channel Auto, Ch. 1 - 15 Ch. 1 - 4 Wireless radio ID 0000-9999 - Test flash firing k - Slave operations Modeling flash k*2 - Release k*3 - *1-3: Some restrictions apply depending on the camera used. (See p.49 and 63 for *1, p.65 for *2, and p.66 for *3.) 48

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48
'
Radio Transmission Wireless Flash Shooting
Shooting in a Different Flash Mode Set for Each Group
(p.63)
Wireless shooting using radio transmission has advantages over wireless
shooting using optical transmission, such as being less affected by
obstacles, and not having to point the slave unit’s wireless sensor toward
the master unit. The main functional differences are as follows.
*1-3: Some restrictions apply depending on the camera used.
(See p.49 and 63 for *1, p.65 for *2, and p.66 for *3.)
Difference between Radio Transmission and Optical Transmission
Function
Radio Transmission
Optical Transmission
Transmission distance
Approx. 30 m/98.4 ft.
Approx. 15 m/49.2 ft.
(indoors)
Firing group control
Up to 5 groups*
1
(A, B, C, D, E)
Up to 3 groups
(A, B, C)
Slave unit control
Up to 15 units
No restriction
Channel
Auto, Ch. 1 - 15
Ch. 1 - 4
Wireless radio ID
0000-9999
–
Slave
operations
Test flash firing
k
–
Modeling flash
k
*
2
–
Release
k
*
3
–
A
B
C
E
D
Manual flash
Manual flash
E-TTL II
E-TTL II
Manual flash
* The flash mode settings are indicated only as an example.
Ceiling