Yongnuo Speedlite for Sony Cameras (YN-560S)

Features:
Brand new flash specially designed for professional photography
Beautifully comfortable, creditable appearance
Power zoom function: Focal length range from 24 to 105mm
GN58 @ ISO100, 105mm
Improved wireless triggering sensor: S1 and S2 mode can be used in outdoor environment and the wireless triggering distance is as long as 15m
Charging socket for external power pack: Meet your higher demand for charging recycle
New PC sync port
Fast charging recycle: It only takes 3 seconds in charging after full power output
Supports high speed continuous shooting: With the output level of 1/8 or below
Supports the 8FPS high speed continuous shooting
Improved power-saving mode: Power-saving mode can be on, or off. It is up to you
The automatic setting saving: Automatically save your current setting
More fine output control: Ranges from 1/128 to 1/1

Specifications:
Circuit design: IGBT
Guide number: 58 meters, ISO100, 105MM)
Flash model: M, S1 and S2
Zoom range: 24, 28, 35, 50, 70, 80 and 105mm
Vertical rotation angle: -7 to 90 degrees
Horizontal rotation Angle: 0 to 270 degrees
Power supply: 4x AA size batteries
Recycle time: 0.1 to 3s
Color temperature: 5, 600k
Flash control: 8 levels of output control (1/128-1/1), 57 levels of fine tuning
External interface: Hot shoe, PC port, external charging port
Wireless triggering distance: 20 to 30m indoor and 10 to 15m outdoor