Flash Head
Guide Number 92' / 28.04 m at ISO 100 (35 mm Position)
Coverage Full-Frame
24 to 120 mm
12 mm (with Wide-Angle Adapter)
Angle of Coverage 18 to 60° Vertical
25 to 78° Horizontal
100 to 120° Vertical (with Wide-Angle Adapter)
110 to 130° Horizontal (with Wide-Angle Adapter)
Bounce Head -7 to +90°
Swivel Head 360°
Flash Duration 1/1042 to 1/40000 Second
Recycle Time Approx. 2.5 to 3.5 Seconds
Secondary Illumination None

Exposure Control
Exposure Control Manual, i-TTL
Flash Modes Hi-Speed Sync, Second-Curtain Sync, Slow Sync
Power Range 1/1 to 1/128
Flash Compensation -3 to +3 EV (1/3 EV Steps)

Wireless
Wireless Operation Optical Pulse
Up to 32.81' / 10 m (Commander, Slave)
Wireless Channels 4
Wireless Groups 2

Power
Internal Power 4 x AA (Alkaline, Lithium, NiMH)
External Power Pack Compatible No

General
Mount Shoe
Off-Camera Terminal Proprietary
Dimensions (W x H x D) 2.8 x 5 x 4.1" / 71 x 126 x 104.5 mm
Weight 12.7 oz / 360 g (without Batteries)

Flash Head
Guide Number 92' / 28.04 m at ISO 100 (35 mm Position)
Coverage Full-Frame
24 to 120 mm
12 mm (with Wide-Angle Adapter)
Angle of Coverage 18 to 60° Vertical
25 to 78° Horizontal
100 to 120° Vertical (with Wide-Angle Adapter)
110 to 130° Horizontal (with Wide-Angle Adapter)
Bounce Head -7 to +90°
Swivel Head 360°
Flash Duration 1/1042 to 1/40000 Second
Recycle Time Approx. 2.5 to 3.5 Seconds
Secondary Illumination None

Exposure Control
Exposure Control Manual, i-TTL
Flash Modes Hi-Speed Sync, Second-Curtain Sync, Slow Sync
Power Range 1/1 to 1/128
Flash Compensation -3 to +3 EV (1/3 EV Steps)

Wireless
Wireless Operation Optical Pulse
Up to 32.81' / 10 m (Commander, Slave)
Wireless Channels 4
Wireless Groups 2

Power
Internal Power 4 x AA (Alkaline, Lithium, NiMH)
External Power Pack Compatible No

General
Mount Shoe
Off-Camera Terminal Proprietary
Dimensions (W x H x D) 2.8 x 5 x 4.1" / 71 x 126 x 104.5 mm
Weight 12.7 oz / 360 g (without Batteries)