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AOI Q1 Ultra Compact Strobe (UCS-Q1)

Manufacturer: AOI
Availability: in stock
New manual compact underwater strobe. The UCS-Q1 Black strobe has a guide number of 22 and a wide coverage of 85 degree with diffuser.

Price (exc. VAT) €247.11

Price (inc. VAT) €299.00

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AOI Q1 Ultra Compact Strobe

The control panel of the UCS-Q1 is kept simple with just two buttons and a single knob. The knob controls the power setting; the maximum brightness is at number 7 or the equivalent of Guide Number 22. Keeping the strobe to only manual function means that when used with an automatic compact camera, it is easy to obtain the desired the brightness. Just adjust the brightness of the strobe to match the exposure of the camera. The strobe has a very useable beam angle of 85 degrees with the diffuser on.

The left button activates the continuous light function, which has 3 power setting. The different power settings can be obtained by cycling through the button. The highest setting is at 700 lumens which is bright enough for macro shots or even as an underwater torchlight. The continuous light also works as a focus light, allowing for quicker focusing and determining the desired strobe position. In keeping with the concept of “My First Strobe”, the simplicity aspect extends to the ownership experience and maintenance. The buttons and knobs are clearly labelled – making it easy to control, even with gloves on.

The battery compartment is secured with a screw-on cap that is sealed with two o-rings to prevent accidental flooding. Should the battery compartment flood, it does not affect the electronic compartment as the two are kept separate and preventing a hefty repair bill. The strobe is powered by two 18650 lithium batteries, which offers a up to 2000 flashes on a single charge and provides consistent power delivery, even at low levels. The strobe is equipped with power stand-by and auto power-off features to conserve power and increase the lifespan of the strobe.
  • Model Number: AOI UCS-Q1-WHT
  • Description: Underwater Ultra Compact Strobe
  • Main Body Material: Polycarbonate + Glass Fiber
  • Depth rating: 60 Meters / 200 Ft.
  • Strobe Mounting: 1” Ball Mount Only (Irreplaceable)
  • Dimensions: 125.0mm (L) X 77.0mm (W) X131.0mm (H)
  • Weight On Land (with batteries): Approx. 550g / Underwater : Approx. 90g


  • Guide Number: 22
  • Color Temperature: 5600K
  • Beam Angle: Horizontal- 85°, Vertical- 85° (with Diffuser)
  • Flash Recharge Time: 0.85 Second (Full Power)
  • Number of Flashes: 1800 Times Full Flash (with 3500mAh Li-Ion Batteries)
  • Flash Synchonization: Self Learning during Power On Each Time

Focus LED light

  • Maximum Output: 700 Lumens
  • Color Temperature: 5600 K
  • Beam Angles: 45°
  • Burn Time: 160 Minutes (Max. Brightness with 3500mAh Li-Ion Batteries)

Battery Requirements

  • 18650 Li-Ion Rechargeable Battery x 2pcs (batteries not included)
  • Min. Output Current: 5A
  • Min. Battery Length: 69mm
  • UCS-Q1 Strobe
  • 2x Main O-Ring seals
  • 1x O-Ring Remover
  • 1x Silicone Grease
  • 1x Secure Line
  • 1x Battery Storage Case (batteries not included)

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