Yongnuo designed a new Speedlite transmitter compared to original ST-E2, we improved and increased some new functions.
You can set the relevant parameter of speedlite through access to the camera menu.
You can adjust the power output of the speedlite by using the flash and exposure compensation to make the photography effect meet your requirement.
Access to the camera menu to set the exposure bracketing function, it can help you to improve the success rate of photography.
When the button of depth of field on the camera is pressed, it can control the speedlite to send out the modeling flash.
If the controller keep sidle for 2 minutes and then it will step into the dormancy state in order to save power, it will automatically shutdown after keeping idle for 15 minutes.
Type: On-camera, speedlite transmitter
Transmission Range: The longest distance is 25m
Transmission Angle: 40 degree to left and right along the direction of light head and 30 degree up and down in vertical direction
Flash Ratio control: 8:1, 1:1, 1: 8 (three levels of ratio control)
Modeling Flash Control: Provided (Enabled with camera's depth of field preview butter)
High-Speed Sync: Provided (Enabled with camera's depth of field preview butter)
Power Source: 2 x AA size batteries ( Alkaline or Ni-MH are usable ) (batteries Not included)
Flash Frequency: Approx. 1500 transmissions
Power Saving: Automatic sleep after two minutes' idle state
Automatic Power Off: After 15 minutes' idle state
Additional Function: Rotatable, camera menu controllable, FEC, FEB
Product Size: 63 x 63 x 82mm (L x W x H)
Product weight: 121g
Compatible Cameras: Canon 1000D, 550D, 500D, 450D, 400D, 350D, 50D, 40D
Compatible Flashes: Canon 550EX, 430EX, 430EX II, 580EX, 580EX II
1 x Yongnuo ST-E2 Transmitter
1 x Stand
1 x Carrying Bag
1 x User Manual