

Canon ST-E3-RT Speedlite Transmitter
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- Radio frequency remote flash trigger.
- Fire selected Speedlites from 30m away.
- Controls up to 15 flashguns.
- Remote camera triggering.
- Weather sealed against dust and moisture.
- Dot matrix LCD display
- Weather-sealed to match EOS-1D X
- Powered by 2x AA batteries
Orms Bellville
Orms Cape Town
Canon ST-E3-RT Speedlite Transmitter
Orms Bellville
Ground Floor, Tygervalley Chambers 2, 27 Willie Van Schoor Avenue
Bellville
Bellville
Western Cape
7530
South Africa
Orms Cape Town
Shop 5, Roeland Square, Roeland Street
Gardens
Cape Town
Western Cape
8001
South Africa
Choose options
Choose PayGate at checkout for MobiCred Payments.
- Radio frequency remote flash trigger.
- Fire selected Speedlites from 30m away.
- Controls up to 15 flashguns.
- Remote camera triggering.
- Weather sealed against dust and moisture.
- Dot matrix LCD display
- Weather-sealed to match EOS-1D X
- Powered by 2x AA batteries
Choose PayGate at checkout for MobiCred Payments.
- Radio frequency remote flash trigger.
- Fire selected Speedlites from 30m away.
- Controls up to 15 flashguns.
- Remote camera triggering.
- Weather sealed against dust and moisture.
- Dot matrix LCD display
- Weather-sealed to match EOS-1D X
- Powered by 2x AA batteries
The Canon ST-E3-RT Speedlite Transmitter can help you take full advantage of all the latest features on Canon's top-of-the-line 600EX-RT flash. The ST-E3-RT makes complex lighting setups simple by facilitating radio-controlled, two-way wireless transmission up to 30m away, among up to five groups or fifteen individual Speedlites. It has controls similar to the new Speedlite 600EX-RT, including multiple flash metering options, and a variety of flash modes. Compact design with highly reliable construction combined with a clearly laid-out information panel and buttons with backlighting make this an indispensable tool for advanced professional flash photography. The ST-E3-RT represents the next generation in wireless flash systems.
The Canon ST-E3-RT Speedlite Transmitter can help you take full advantage of all the latest features on Canon's top-of-the-line 600EX-RT flash. The ST-E3-RT makes complex lighting setups simple by facilitating radio-controlled, two-way wireless transmission up to 30m away, among up to five groups or fifteen individual Speedlites. It has controls similar to the new Speedlite 600EX-RT, including multiple flash metering options, and a variety of flash modes. Compact design with highly reliable construction combined with a clearly laid-out information panel and buttons with back lighting make this an indispensible tool for advanced professional flash photography. The ST-E3-RT represents the next generation in wireless flash systems.
Note: Because it does not have an optical transmission function, the Speedlite Transmitter ST-E3-RT is not compatible with earlier Speedlite models such as 580EX II.
Features:
- Newly-designed wireless system uses 2-way radio wave communication for enhanced communication among master and slave units. Achieves a transmission distance of up to 30m, all at a 360 degree angle.
- Up to 5 groups, or 15 individual flashes can be controlled via 1 transmitter.
- Supports E-TTL II flash, manual flash, stroboscopic and auto external flash metering.
- Dot matrix LCD panel displays all pertinent information simultaneously and backlit control panel means easy operation.
- 8 types of custom functions, 3 types of personal functions.
- Improved hot shoe contacts for more reliable information transmission and operation.
- Slave operation confirmation:
- Green Light--Lit: Radio Transmissions Okay
- Red Light--Lit: Not Connected, Blinking: Transmission Error/ Too many units (Master units + slave units = more than 16 units)
- Orange Light--Lit: Sub-master transmission, Blinking: Receiving remote release shooting, linked shooting signal
- Not compatible with earlier Speedlite models such as 580EX II
- Canon ST-E3-RT Speedlite Transmitter
- Softcase
FLASH MODES | |
Auto exposure control | E-TTLII/E-TTL/TTL |
High speed sync (FP) | Yes |
Manual / output settings | Yes - 1/1-1/128 |
Manual steps | 1/3 step |
Strobe / output settings | Yes - 1/4-1/128 |
Frequency | -500Hz |
FLASH-RELATED FUNCTION | |
FE lock | Yes |
Flash exposure compensation | Yes |
Flash exposure bracketing | Yes |
Second-curtain flash sync | No |
Modelling flash | Yes |
Colour temperature info communication | No |
WIRELESS FLASH | |
Transmitter | Yes |
Transmission type | Radio |
Transmitter Max range approx. | Indoors: 30m |
Slave | No |
No. of groups | 5 |
No. of channels | 15 |
Remote Shutter Release | Yes |
AF ASSIST | |
AF-assist beam | No |
POWER SOURCE | |
Battery | 2 x AA batteries |
External power supply | No |
CONSTRUCTION | |
Dust and water resistance | Yes |
Mounting foot material | Metal |
MISC. | |
Custom function | 8 (3 personal functions) |
PC terminal | No |
Compatible accessories | SPEEDLITE 600EX-RT |
Dedicated flash bracket | No |
DIMENSIONS WEIGHT | |
Size (W x H x D), mm | 67.4 x 61.5 x 77.4¹ |
Weight (Excluding batteries), grams | 110g |
Size (W x H x D), mm | ¹ Except for the dust and water prevention adaptor |
* Time taken to recharge flash after full discharge using Alkaline AA batteries. |
** With Compatible cameras only. |