'Radio Transmission Wireless Flash Shooting

Shooting with a Different Flash Mode set for Each Group (p.65)

Auto external

Ceiling

flash metering

 

 

E

 

D

E-TTL II

A

B

C

 

Manual flash

 

 

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

Approx. 30 m (98.4 ft.)

Approx. 15 m (49.2 ft.)

 

 

 

(indoors)

Firing group control

Up to 5 groups*1

Up to 3 groups

(A/B/C/D/E)

(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

–

Operations

Test flash firing

 

–

from slave

Modeling flash

*2

–

unit

Release

*3

–

*1, *2 and *3: Some restrictions apply depending on the camera that you use.

(Refer to *1: p.51, 65; *2: p.67; and *3: p.68.)

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