Ultrapower Underwater Strobe Head with Diffuser

  • $160.00
    Unit price per 

Product Highlights
  • Depth Rating 180’ (55M)
  • Guide Number : 20 (ISO 100/M ) on land
  • Coverage Angle : 60°
  • Color Temperature : 5700K
  • 5 Pre-Flash Setting , Twin Slave Sensors
  • Output Levels : 10 %, 25%, 50%, 100%
  • Runs on 4 AA Alkaline / NiMH batteries (not included)
  • Durable Polycarbonate Housing
  • Isolated Battery Compartment
Depth Rating
Safe to use at a maximum depth of 180'. The housing is secured via double O-ring seal, and the battery compartment is completely isolated from the electronics to prevent water damage if it's accidentally opened or batteries are changed when unit is still wet from a dive.
Guide Number
20 (ISO 100/M ) on land
Power Rating
Approximately 25 Watt-sec
Offers a coverage angle of 60°.
Color Temperature
Daylight-balanced at 5700K.
There are 5 pre-flash settings to synchronize with the built-in flash of most digital compact cameras. Additionally, there are 4 output levels: 10%, 25%, 50%, and 100%. The strobe also has a flash test button. Benefit from manual exposure control.
Flash Triggering
Twin slave sensors allow strobe to be triggered wirelessly by another flash, such as the camera's built-in one. When either sensor detects light from a flash, the strobe fires instantly. You can also purchase an optional fiber-optic connector and cable for triggering.
Color-Coded LED Indicators
Tell you the selected pre-flash and flash output modes. A blinking LED indicates low power.
Runs on 4 AA batteries, which are available separately, and features a magnetic on/off switch.
Housed in a durable case made from corrosion-resistant polycarbonate.
Optional UXFA-1 9.5" Flex Arm with Foam Grip and UXST-1 Strobe Tray are available, giving you a mounting point for the strobe and a camera, and also providing improved handling.
Configuration Strobe head only
Guide No. 65.6' / 20 m at ISO 100 (on land)
Power Rating Approx. 25 Watt-sec
Coverage Angle 60°
Depth Rating 180' / 55 m
Flash Modes 5 pre-flash settings
Flash test
Output levels: 10%, 25%, 50% and 100%
Exposure Control Manual
Slave Yes, twin sensors for wireless slave functionality
Color Temperature 5700 K
Recycle Time 7.0 sec between full-power flashes
Flashes Approx. 120 per set of non-rechargeable batteries or per charge with rechargeables
Indicators Color-coded LEDs indicate selected pre-flash and flash output modes
Low power indicated by blinking LED
Connector Wireless slave connection to camera's flash by default
Optional fiber-optic connector and cable set available separately
Buoyancy Positive
Power 4 AA rechargeable/non-rechargeable batteries (1.5 V or 1.2 V, not included)
Magnetic on/off switch
Material of Construction Polycarbonate housing
Dimensions 6.0 x 4.0 x 5.5" / 15.2 x 10.2 x 14 cm
Weight 1.3 lb / 0.6 kg without batteries
  • Limited 1-Year Warranty