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  Halcyon FAQs & Tips		 Halcyon Light Heads

Halcyon primary lights are available with your choice of 21-watt HID or 10-watt HID (focusable or fixed 6 degree reflector). They can also be outfitted with an underwater quick disconnect (E/O) cord. The larger, coldwater Goodman handle ships standard; a smaller handle is optional.

 

21-Watt HID Light Head

 
The Halcyon 21-watt HID is an industry favourite, allowing full adjustability and easy bulb changes in a conventional, test-tube style design. The Goodman style head offers easy, hands-free operation; meanwhile the exclusive ultra-bright reflector promises the best possible light output. Combined with the extended protective cowling on our light head, the Explorer 21-watt lights throw out an intensely focused beam of bright, white light that you can rely on in the most challenging situations.
 

Key Features of the 21-watt HID Light head:

  • Locking bulb design eliminates the risk of dislodged bulbs and sporadic ignition problems (patent pending).
  • High-temperature polymer (PEEK) nearly eliminates risk of socket damage common within the competition.
  • New, brighter bulb with a shorter stem and protection sleeve reduces risk of breakage.
  • Includes the time-tested Goodman handle and Halcyon reflector.

 

10-Watt HID Light Head

 
The Halcyon 10-watt HID may well be the most flexible lighting product on the market. Suitable for both recreational and technical divers, this 10-watt HID offers great performance and tremendous value. Halcyon's 10-watt HID light head is a focusable light.

 

Focusable, and very compact, Halcyon's 10-watt HID light heads are as at home on a Great Barrier Reef dive as they are in the most demanding cave or wreck dive.

 

Key Features of the 10-watt Light Head

  • Fully enclosed design in a small delrin housing.
  • Includes the time-tested Goodman handle
  • Fully focusable eliminates the need for an external lock-down screw
  • Allows quick bulb changes without the need for tools

 

Quick-Disconnect Pluggable Cords

All Halcyon lights can be fitted with underwater pluggable cords. This feature allows divers to switch between video lights and conventional HID light heads. Divers using quick-disconnect cords may also swap a damaged light head while underwater. However, divers using this option should weigh the benefit against a possible increase in complexity. For example, a short interruption in the current flowing to an HID light will cause the light to falter; shutting down the light for five seconds allows the ballast to reset. Divers that require greater flexibility are usually happy to manage the increased complexity. However, you should consider these issues while choosing the system that is best for you.