The lightweight Speedlite 320EX can be used for both stills shooting and video. Along with the 75 lux LED light, this versatile setup features a strobe with a rated guide number 105' at ISO 100 and 50mm for excellent illumination of your subject. Also, the flash head can be adjusted between 24mm and 50mm coverage on full-frame cameras and can tilt upward 90° as well as rotate left 180° and right 90°. Wireless slave TTL functionality is available for the off-camera triggering of the unit. The 320EX also has a remote control shooting setting that will enable wireless triggering of a camera unit. Other abilities include slow, high-speed, first and second curtain sync modes as well as a recycle time of 0.1-2.3 seconds. The remote release function has a range of 16.4', a delay of 2 seconds, and will work with cameras compatible with the RC-6, RC-5, or RC-1 Remote Controllers. Battery life of 180-1000 flashes or 3.5 hours of the continuous LED light. Auto power-off function. Four custom functions with 8 settings. AF assist beam has an effective range of 13.1'. Effective flash range of 2.3 to 75.1'. Color temperature information is automatically transmitted to the camera. Wireless settings with 4 channels and 3 groups.