Speedlite Transmitter ST-E3-RT Overview
For sophisticated wireless flash setups, there's nothing like the new Speedlite Transmitter ST-E3-RT*. Facilitating radio controlled, two-way wireless transmission up to 98.4 feet, among up to ...
Speedlite Transmitter ST-E3-RT Overview
For sophisticated wireless flash setups, there's nothing like the new Speedlite Transmitter ST-E3-RT*. Facilitating radio controlled, two-way wireless transmission up to 98.4 feet, among up to five groups or fifteen individual Speedlites, the ST-E3-RT represents the next generation in wireless flash systems. With operational controls similar to the new Speedlite 600EX-RT, including diverse flash metering options, and a number of flash modes, the Speedlite Transmitter ST-E3-RT makes complex lighting setups simple. With a compact design and highly reliable construction, combined with a clearly laid-out information panel and buttons with back lighting and more, the Speedlite Transmitter ST-E3-RT is an indispensible tool for advanced, professional flash photography. *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.
MSRP: $384.99
Item Code: 5743B002
Speedlite Transmitter ST-E3-RT Features
Learn more about the features of the Speedlite Transmitter ST-E3-RT.
Speedlite Transmitter ST-E3-RT
Newly-designed wireless system uses 2-way radio wave communication for enhanced communication among sender and receiver units. Achieves a transmission distance of up to 98.4 ft./30 m, all at a 360 degree angle.
The Speedlite Transmitter ST-E3-RT facilitates radio controlled, two-way wireless transmission up to 98.4 feet, for a reliable and robust connection among sender and receiver units. Communicating on 2.4 GHz frequencies, the Speedlite Transmitter ST-E3-RT does not have the same directional limitations of traditional wireless optical transmitters. Where other wireless signals can be interrupted by physical obstacles, radio controlled systems excel. Fifteen transmission channels are available, selectable manually or automatically, and radio transmission IDs can be set to prevent misfiring in the event of signal interference on the same channel. With the extended, more reliable range afforded by radio transmission, ambitious photography is made easier.
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; compact design is approx. 2.65 (w) x 2.42 (H) x 3.05 (D) in.
Speedlite Transmitter ST-E3-RT Specifications
See complete specifications for the Speedlite Transmitter ST-E3-RT.
Specifications
Main Unit Spec
| Flash | |
| Type | Radio transmissions wireless Speedlite transmitter |
| Compatible Cameras | Type A EOS cameras (E-TTL II/E-TTL autoflash) |
| Sync Speed | High-Speed Sync provided (All models released in 2012 or later except for the EOS Rebel T5) |
| Flash Exposure Confirmation | Flash exposure confirmation lamp lights in green * If it does not light, shooting is not performed with the standard exposure |
| AF Assist Beam | N/A |
Wireless Functions |
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| Transmission System | Radio Transmission |
| Transmission Range | Approx. 98.4 ft. (30m) |
| Flash Ratio Control | 1:8 - 1:1 - 8:1, power 1/2-stop increments |
| Flash Coverage | Transmission Angle: 360° all around |
| Receiver Operation Confirmation | Green Light Lit: Radio Transmissions Okay Red Light Lit: Not Connected Blinking: Transmission Error/ Too many units (sender units + receiver units = more than 16 units) Orange Light Lit: Sub-master transmission Blinking: Receiving remote release shooting, linked shooting signal |
| Receiver Unit SE Mode Cancellation | The test flash button can be pressed to test if the receiver units fire or cancel the auto power off status. |
General |
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| Power Source | AA/LRG Alkaline Batteries x2 (Ni-MH and Lithium batteries can also be used) Battery Life: Approx. 10 hours continuously *When using AA/LR6 alkaline batteries used (At a room temperature +23°C/73°F). |
| SE Mode | Power off after 5 min. of idle operation |
| Dimensions | 2.65 (W) x 2.42 (H) x 3.05 (D) in. / 67.4 (W) x 61.5 (H) x 77.4 (D) mm |
| Weight | 3.9 oz. / 110g (excluding battery) |
Prices and specifications subject to change without notice. Pricing is determined by each dealer and may vary.