| The Samsung ED-SEF580A is a compatible flash unit for NX and Ex cameras with a powerful guide number of 190' at ISO 100 and 105mm. It is capable of covering a zoom range of 24-105mm and has the ability to tilt up 90deg. and rotate from 120deg. right to 180deg. left for a total of 300deg. Additionally, this flash has wireless triggering capabilities with compatible cameras and flash units, allowing for wireless control in 4 channels and 3 groups. In addition to TTL functionality, the ED-SEF580A unit can be controlled manually from full power down to 1/256 power. It also has a graphic LCD display for clear view of your settings as well as a modeling light function for checking your light | |