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Type
Radio Transmission Wireless Function
Specifications
Type:
On-camera Speedlite transmitter
Compatible cameras:
EOS type-A camera compatible with E-TTL II/E-TTL autoflash
Exposure control system:
E-TTL II/E-TTL autoflash, manual flash, stroboscopic
flash, auto external flash metering*
* Only when the flash mode is set to <[>
Frequency:
2405 - 2475 MHz
Modulation system:
Primary modulation: OQPSK, secondary modulation:
DS-SS
Channel:
Auto, Ch. 1 - 15
Wireless radio ID:
0000 - 9999
Slave unit control:
Up to 5 groups (A/B/C/D/E), up to 15 units
Transmission distance:
Approx. 30 m / 98.4 ft.
* When there are no obstacles or obstructions between the
master unit and slave unit, and no radio interference with
other devices
* The transmission distance may be shorter depending on
the relative positions of the units, surrounding environment
and weather conditions.
Flash ratio control:
1:8 - 1:1 - 8:1, 1/2-stop increments
Flash exposure
compensation:
±3 stops in 1/3- or 1/2-stop increments
FEB:
±3 stops in 1/3- or 1/2-stop increments (when used with
flash exposure compensation)
FE lock:
Press the camera’s <
B
>, <
7
> or <
P
> button
High-speed sync:
Provided
* High-speed sync is possible only with EOS digital cameras
released since 2012.
Manual flash:
1/1 - 1/128 power (1/3-stop increments)
Stroboscopic flash:
Provided (1 - 500 Hz)
Slave flash battery check:
On the master unit’s LCD panel, the <Q> icon lights, the
slave unit’s AF-assist beam emitter blinks and the
charge lamp lights.
Flash exposure
confirmation:
Flash exposure confirmation lamp lights
Modeling flash:
Fired with camera’s depth-of-field preview button
Linked shooting:
Provided
COPY