Canon ST-E3-RT Speedlite Transmitter

BH #CASTE3RT • MFR #5743B002
Canon ST-E3-RT Speedlite Transmitter
Key Features
  • Wireless Transmission
  • 5 Groups or 15 Individual Speedlites
  • Range Up to 98.4'
  • Compact Design & Reliable Construction
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The Canon ST-E3-RT Speedlite Transmitter can help you take full advantage of all the features on Canon's Speedlite 600EX-RT and 430EX III-RT flashes. The ST-E3-RT makes complex lighting setups simple by facilitating radio-controlled, two-way wireless transmission up to 98.4' away, among up to five groups or fifteen individual Speedlites. It has controls similar to the 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.

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Expected availability: 2-4 weeks
$285.00
$48/mo. suggested payments
with 6 Mos. Promo Financing* 
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Canon ST-E3-RT Overview

The Canon ST-E3-RT Speedlite Transmitter can help you take full advantage of all the features on Canon's Speedlite 600EX-RT and 430EX III-RT flashes. The ST-E3-RT makes complex lighting setups simple by facilitating radio-controlled, two-way wireless transmission up to 98.4' away, among up to five groups or fifteen individual Speedlites. It has controls similar to the 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.

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 98.4' (30 m), 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
Orange Light--Lit: Sub-master transmission
Blinking: Receiving remote release shooting, linked shooting signal
Not compatible with earlier Speedlite models such as 580EX II
UPC: 013803142488

Canon ST-E3-RT Specs

TypeRadio transmissions wireless Speedlite transmitter
Transmission RangeApprox. 98.4 ft. (30m)
Flash ControlRatio control: 1:8 - 1:1 - 8:1, power 1/3-stop increments
CoverageFlash coverage: Transmission Angle: 360° all around
Power Source2x AA/LRG Alkaline Batteries (Ni-MH and Lithium batteries can also be used)
Battery Life: Approx. 10 hours continuously when using AA/LR6 alkaline batteries (At a room temperature of 73°F/+23°C).
Dimensions2.65 x 2.42 x 3.05" (67.4 x 61.5 x 77.4 mm)
Weight3.9 oz (110 g) excluding battery
Packaging Info
Package Weight0.7 lb
Box Dimensions (LxWxH)6.4 x 4.65 x 4.5"
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YOUR RECENTLY VIEWED ITEMS

Does the ST-E3-RT work with the Canon R5 body?

Does the ST-E3-RT work with the Canon R5 body?
Asked by: Tim
The flash works. This will work. CHECK to see if there is a built in transmitter in the camera that would work the flash.
Answered by: Donald
Date published: 2021-04-27

Is this compatible with the canon 470ex-ai and ...

Is this compatible with the canon 470ex-ai and the 5d mark iv?
Asked by: sarah
No this is not compatible with 470ex-ai . 470ex is Optical slave and Canon ST-E3-RT is a radio trigger
Answered by: vilson
Date published: 2021-02-23

Will the ST-E3-RT work with the Canon OC-E3 off ...

Will the ST-E3-RT work with the Canon OC-E3 off camera shoe cord?
Asked by: Kevin
Yes, it will work.
Answered by: Rob
Date published: 2021-02-23

Can you control zoom function remotely on the ...

Can you control zoom function remotely on the Canon 600EXii flash? Canon - are you listening?
Asked by: tim
No.
Answered by: Rob
Date published: 2021-02-23

Does this have a PC sync connection on the left ...

Does this have a PC sync connection on the left side like the speedlights do?
Asked by: Joey
I'm sorry, no.
Answered by: Rob
Date published: 2021-02-22

does it work with the canon eos rp?

does it work with the canon eos rp?
Asked by: Minh
This transmitter is compatible with the Canon EOS RP.
Answered by: Kirk
Date published: 2021-02-08

What is the operating temperature for this ...

What is the operating temperature for this trigger? Will it work outdoors under 30 degrees Fahrenheit?
Asked by: BRANDON
Unfortunately, Canon does not list a minimum operating temperature for this transmitter. However, it would be more of an issue with the type of batteries being used in the transmitter, whether they are alkaline or rechargeable.
Answered by: Kirk
Date published: 2021-01-26

Is there some trigger who will work on Canon ...

Is there some trigger who will work on Canon speedlights, AD200Pro and Flashpoint studio lights together?
Asked by: Rakel
There is workarounds with the Westcott Fj-X2m and the FJ-XR triggers
Answered by: BRANDON
Date published: 2021-01-25
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