Model Name SEF20A
Flash Type  A-TTL  external flash
Usable camera Samsung NX Series camera
Focal Distance
(converted into APS-C 18mm/28mm(35mm equivalent)
Guide Number
(G No.) 20
Bounce flash angle Vertical bounce angle : 0°, 45°, 60°, 75°, 90°
Burst mode A-TTL
Flash metering control Auto
Flash light adjustment -1EV~+1EV(0.3EV Step)
Battery AA-size battery (2) : Alkaline, Ni-MH
Size (WxHxD) 64.3 x 43 x 88.3 mm
Weight
(excluding battery) 121.7g (excluding battery)
Reasonable temperature 0~40° C
Reasonable humidity 5~85%
Compatible Models NX10