Canon ST-E3-RT Flash Radio Transmitter – V2

The second version of the Canon Speedlite Transmitter ST-E3-RT takes advantage of all the features on flashes such as the Speedlite EL-1, 600EX-RT, and 430EX III-RT.

Version two of the ST-E3-RT makes complex lighting setups simple by facilitating radio-controlled, two-way wireless transmission at distances up to 98.4′ among up to five groups or 15 Speedlites.

Benefits

• Wireless Rear Curtain Synchronization, a minimum output range of 1/8192, and FE Memory
• Up to five groups or 15 individual flashes can be controlled via one transmitter.
• Supports E-TTL II Flash, Manual Flash, Stroboscopic, and Auto External Flash Metering
• Dot Matrix LCD Panel and a backlit control panel
• Eight types of custom functions, three types of personal functions
• High-performance hot shoe contacts for reliable information transmission and operation