Specifications - Canon ST-E3-RT-V2 Manual

Specifications

 Type
Type:
Compatible cameras:
 Radio Transmission Wireless Function
Exposure control system:
Frequency:
Modulation system:
Channel:
Wireless radio ID:
Receiver unit control:
Transmission distance:
Flash ratio control:
Flash exposure
compensation:
FEB:
FE lock:
High-speed sync:
Manual flash:
Stroboscopic flash:
Receiver flash battery
check:
66
On-camera Speedlite transmitter
EOS series supporting E-TTL II / E-TTL autoflash
E-TTL II/E-TTL autoflash, manual flash, stroboscopic
flash, auto external flash metering*
* Only when the flash mode is set to <[>
2405 - 2475 MHz
Primary modulation: OQPSK, secondary modulation:
DS-SS
Auto, Ch. 1 - 15
0000 - 9999
Up to 5 groups (A/B/C/D/E), up to 15 units
Approx. 30 m / 98.4 ft.
* When there are no obstacles or obstructions between the
sender unit and receiver 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.
1:8 - 1:1 - 8:1, 1/2-stop increments
±3 stops in 1/3- or 1/2-stop increments
±3 stops in 1/3- or 1/2-stop increments (when used with
flash exposure compensation)
Press the camera's <B>, <7> or <P> button
Provided
* High-speed sync is possible only with EOS digital cameras
released since 2012 (except with EOS REBEL T100/
4000D/3000D, EOS REBEL T7/1500D/2000D, EOS
REBEL T6/1300D and EOS REBEL T5/1200D).
1/1 - 1/8192 power (1/3-stop increments)
* 1/1 - 1/8192 power is only supported when using flashes
(EL-1) that support microlight power. However, minimal
flash output is set at 1/128 when using high-speed sync.
Provided (1 - 500 Hz)
On the sender unit's LCD panel, the <Q> icon lights, the
receiver unit's AF-assist beam emitter blinks and the
charge lamp lights.