Global
| 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 |