Max energy: 250Ws Energy range: 9 f-stop (2.0-10.0 ; 1/256-1/1) Recycling time: 0.03-1.35s (Quick burst up to 20 flashes/second) Flash duration Normal mode (t0.5): 1/9300 s (1Ws) - 1/1,000 s (250Ws) Flash duration Freeze mode (t0.5): 1/15,000 s (1Ws) - 1/1,000 s (250Ws) Guide number @ 2m / 100 ISO with Magnum Reflector: 32 2/10 Battery capacity: Up to 215 full-power flashes Max modeling light: LED 9W (Equivalent of 50W Halogen) Radio sync & control: Yes, built in AirTTL supporting wireless sync, control Size Generator (incl. battery) : 16 x 8 x 17 cm / 6.3 x 3.1 x 6.7 in Size Head (excl. stand adapter): 10 cm / 3.9 in Ø 10.3 cm / 4.0 in length Weight |