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Guide number (ISO 100, m/ft)34.5/113 (at 35 mm)/55/180 (at 200 mm), in FX format, standard illumination pattern
Output1/1 to 1/256 (in 1/3 steps, manual mode)
Zoom head positionCovers angle of view of 24 to 200 mm lens, 14 mm with wide panel (in FX format, standard illumination pattern)
Flash modei-TTL, Auto aperture flash, Non-TTL auto flash, Distance-priority manual flash, Manual flash, Repeating flash
Other functions- Test firing, monitor pre-flashes, AF-assist illumination for multi-point AF, modeling illumination
- Shooting functions (set on the camera)
- Auto FP high-speed sync, FV lock, Slow sync, Red-eye reduction, Rear-curtain sync, Exposure compensation
Bounce capabilityFlash head tilts down to 7° or up to 90°, rotates horizontally 180° to the left and right
Number of flashes150 or more (alkaline batteries)/190 or more (rechargeable Ni-MH batteries)
Minimum recycling timeApprox. 2.6 s (alkaline batteries)/approx. 1.8 s (rechargeable Ni-MH batteries)
AF-assist illuminationCovers 24 to 135 mm focal-length range
Multiple flash photography functionsAdvanced Wireless Lighting (Radio-controlled AWL [master + 6 groups]/optically controlled AWL [master + 3 groups]), wireless multiple flash with direct remote control (remote mode)
Unified Flash ControlCompatible
Colour filterExternal filter, auto detection available
Power sourceFour AA-size batteries (alkaline-manganese or rechargeable Ni-MH), SD-9 High-Performance Battery Pack
Dimensions (W×H×D)Approx. 73×137×103.5 mm
WeightApprox. 420 g (body only)"""