Wireless transmitter
ST-E2 Speedlite for Canon

The Yongnuo ST-E2 is a wireless transmitter for operating the Speedlite system flashes or groups of flashes. Fully functional replacement for the Canon ST-E2.

Works in the TTL, E-TTL, E-TTL II flash measuring systems. Compatible with the Canon Speedlite 550EX, 430EX, 430EX II, 580EX, 580EX II, YongNuo 565EX camera flashes.

The transmitter should be put on the Canon camera's hot shoe.

Infrared operation, the ST-E2 additionally supports the autofocusing. Provides exposure compensation control for each of the 4 available channels, between the A and B groups. Can also transmit the C group settings from the cameras that support the C group operation.

The Youngnuo ST-E2 and Canon ST-E2 comparison

Effective range comparison:

The transmitter provides wireless control in the Speedlite system. Its main advantages are:

• Camera menu access: the flash parameters can be set from the camera menu
• Output control: the flash power can be adjusted without changing the exposure parameters
• Auto-bracketing (FEB)
• C group control
• Modeling flashes group triggered with the DOF button or the Test button on the transmitter
• High Speed mode - triggering the High Speed mode flashes up to 1/8000 s shutter time
• Swivelling head (from -135 to +135 degrees) allows to modify the effective range field
• AF assist

The set contains:

• Transmitter
• Base
• Case

Transmiter does not work with Canon 5D Mark III, 6D