Specifi cations
Specifi cations
Type
Guide number (air;
ISO 100, m/ft)
Angle of illumination
Eff ective fl ash range
Device on/off
En
Controls
Color temperature (air) 5600K at full power
Power source
Flash-ready lamp
Battery endurance
Recycling time
Operating temperature
(in water)
Materials
Maximum depth
Dimensions
(W × H × D)
40
Underwater speedlight with TTL fl ash control
28/92 at full power, 20/66 with underwater wide-
fl ash adapter
80° horizontal and vertical; 110° horizontal and
vertical with underwater wide-fl ash adapter
0.3 m to 4 m (1.0 ft to 13.1 ft); varies with ISO
sensitivity and aperture
Mode dial used to turn unit on and off
Mode dial, targeting lamp button (on/off ), fl ash-
level dial
Four AA alkaline or four AA NiMH batteries
• Lights red: Flash is charged and ready for use
(does not apply if fl ash-compensation support is
disabled)
• Lights green for 2 s: Flash fi red in TTL mode
• Lights blue: Flash-compensation support disabled
• Blinks red and green: Batteries exhausted
• Blinks red or blue: Temperature warning
• Alkaline batteries: Approximately 180 uses
• NiMH batteries: Approximately 220 uses
• Alkaline batteries: Approximately 2.5 s
• NiMH batteries: Approximately 1.8 s
0 °C – 40 °C (+32 °F – +104 °F)
Polycarbonate and ABS resins
100 m (328 ft)
Approximately 87 × 133 × 140 mm (3.4 × 5.2 ×
5.5 in.), excluding projections