1, Ultra-AF: Improves the assist focus function, the max. focus distance can reach 25 meters.
2, Access to Camera menu: You can set the relevant parameter of speedlite through access to the camera menu.
3, Support Exposure compensation: You can adjust the power output of the speedlite by using the flash and exposure compensation to make the photography effect meet your requirement.
4, Support Exposure Bracketing ( FEB ): Access to the camera menu to set the exposure bracketing function, it can help you to improve the success rate of photography.
5, Support Group C Flash: You can set the parameters of Group C flash via your camera's menu. ( Please kindly note that not all cameras provide this menu)
6, Modeling Flash: When the button of depth of field on the camera is pressed, it can control the speedlite to send out the modeling flash.
7, Rotatable: You can control the angle scope of the slave unit through rotaing the camera body ( left and right 135 degree ). This makes it easy to serve the slave unit and mett your multi-angle creative need.
8, Overheating Protection: If the controller is used too frequently, it's overheating protection function will be triggered, the ETTL and HSS indicator will blink alternatively, and the controller will be locked.
9, Power saving function: 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-Cmera, Speedlite Transmitter
Channel 4
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
Controllable slave groups A+B+C, A:B, A:BC ( Via camera menu )
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 )
Flash Frequency About 1500 transmissions ( 2 x AA size alkaline batteries )
Power saving Automatic sleep after two munutes' idle state
Automatic power off after 15 minutes'idle state
Additional function Rotatable, Camera menu controllable, FEC, FEB
Dimensions 63 * 63 * 82mm
Net Wight 115g
Compatible Camera: Canon 1000D 550D 500D 450D 400D 350D 50D 40D
Compatible Flash: Canon 550EX, 430EX, 430EX II, 580EX, 580EX II
