• Guide number28/92
  • TTLflash control
  • Maximum depth100m
  • 627g
Type Underwater speedlight with TTL flash control
Guide number (air;  ISO 100, m/ft) 28/92 at full power, 20/66 with underwater wide-flash adapter
Angle of illumination 80° horizontal and vertical; 120° horizontal and vertical with underwater wide-flash adapter
Effective flash range 0.3 m to 4 m (1.0 ft to 13.1 ft); varies with ISO sensitivity and aperture
Device on/off Mode dial used to turn unit on and off
Controls Mode dial, targeting lamp button (on/off), flash-level dial
Color temperature (air) 5600K at full power
Power source Four AA alkaline or four AA NiMH batteries
Flash-ready lamp • Lights red: Flash is charged and ready for use (flash-compensation support enabled)
• Lights green for 2 s: Flash fired in TTL mode
• Lights blue: Flash-compensation support disabled
• Blinks red and green: Batteries exhausted or temperature warning
• Blinks red: Temperature warning
Battery endurance • Alkaline batteries: Approximately 180 uses
• NiMH batteries: Approximately 220 uses
Recycling time • Alkaline batteries: Approximately 2.5 s
• NiMH batteries: Approximately 1.8 s
Operating temperature (in water) 0°C - 40°C (+32°F - +104°F)
Materials Polycarbonate and ABS resins
Maximum depth 100 m (328 ft)
Dimensions (W x H x D) Approximately 87 x 133 x 140 mm (3.4 x 5.2 x 5.5 in.), excluding projections
Weight Approximately 627 g (1 lb 6.1 oz), excluding batteries
Underwater weight Approximately 90 g (3.2 oz), including batteries
Improvements to this product may result in unannounced changes to specifications and external appearance. Nikon will not be held liable for damages that may result from any errors this page may contain. Unless otherwise stated, all figures are for a unit with fresh batteries operating at the temperature specified by the Camera and Imaging Products Association (CIPA): 23 ±3 °C (73.4 ±5.4 °F).

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