Canon Flash Accessories | Clearance | ST-E3 SPEEDLITE Transmitter #

The ST-E3 Speedlite Transmitter works with the new speedlight from Canon, makes complex lighting setups simple. It can control over as many as five groups of flashes or 15 Speedlites

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.

Product Highlights

• Facilitates Wireless Transmission
• 5 Groups or 15 Individual Speedlites
• Range Up to 98.4′
• Makes Complex Lighting Setups Simple
• Compact Design & Reliable Construction
• Clearly Laid Out Information Panel
• Buttons With Back Lighting

Overview

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 98.4′ 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.

• 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 (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

Specifications

Type Radio transmissions wireless Speedlite transmitter
Transmission Range Approx. 98.4 ft. (30m)
Flash Control Ratio control: 1:8 – 1:1 – 8:1, power 1/2-stop increments
Coverage Flash coverage: Transmission Angle: 360° all around
Power Source 2x 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).
Dimensions 2.65 x 2.42 x 3.05″ (67.4 x 61.5 x 77.4 mm)
Weight 3.9 oz (110 g) excluding battery

What’s in the Box:

• Canon ST-E3-RT Speedlite Transmitter
• Soft Case