Flash Head

Guide Number  34.5 m at ISO 100 (35 mm Position)

55 m at ISO 100 (200 mm Position)

Coverage Full-Frame

24 to 200 mm

14 mm (with Wide-Angle Adapter)

Angle of Coverage 12 to 84°

84 to 114° (with Wide-Angle Adapter)

Auto Zoom Head Yes

Bounce Head -7 to +90°

Swivel Head 360°

Flash Duration 1/980 to 1/30820 Second

Recycle Time Approx. 1.8 to 2.6 Seconds

Secondary Illumination None

Exposure Control

Exposure Control Nikon i-TTL, Manual

Flash Modes Hi-Speed Sync, Second-Curtain Sync, Slow Sync

Power Range 1/1 to 1/256

Flash Compensation -3 to +3 EV (1/3 EV Steps)

Wireless

Wireless Operation Radio (TTL/Manual)

Up to  30 m (Commander, Slave)

Optical Pulse (TTL/Manual)

Up to 32.81' / 10 m (Commander, Slave)

Wireless Channels 4

Wireless Groups 6

Remote Timing Modes Instant Sync

Skip Preflash

Power

Internal Power 4 x AA (Alkaline, NiMH)

External Power Pack Compatible Yes

General

Mount Shoe

Off-Camera Terminal PC