Enhanced with an adjustable LED video light , this mecablitz 44 AF-2 Digital Flash from Metz is a great addition to any Samsung camera kit. This model is compatible with the system's A-TTL metering for accurate, automatic control over light output, though it still offers full manual control for those who desire it. With a guide number of 144' at ISO 100 and 105mm and a zoom head with a range of 24-105mm, this flash is able to balance size with versatility. For wider optics, a pull-out diffuser panel can expand the coverage to 12mm. The head also boasts the ability to tilt upwards 90? and rotate right 120? and left 180?. Additionally, this model can be used as a remote TTL slave with compatible system flashes.When working with a compatible camera, the 44 AF-2 can be set to first or second curtain sync in order to more appropriately utilize your flash in certain situations. It also runs on four AA batteries which can provide a recycle time of 0.1-4 seconds. And, as a bonus this unit features a USB port so that users can update the firmware for enhancements and compatibility later on.