(From left) 10W focusable, 21W, 21W, 10W fixed, Scout, Scout min
Whether you’re a recreational diver or a technical explorer, Halcyon have high-quality underwater lighting to support your diving goals. Your idea of a perfect dive may involve lighting up a coral reef during a favourite night dive; finding a previously undiscovered wreck might fulfill your aspirations. Halcyon’s broad range of products supports the enthusiast and professional with the best possible value.
Halcyon lights are known for leading the industry with innovations that others try to emulate:
- Bright, high colour-temperature HID bulbs (6400 Kelvin) and LED bulbs
- Crisp light beams, unsurpassed for signalling and illumination
- Unique dry lid which prevents water ingress into the canister in case of a damaged light cord
Halcyon EOS LED lighthead
- Nickel-plated brass sealing glands and fittings
- Strain-relief fittings on the cords
- Larger diameter, hands-free Goodman handle; easy to use with dry gloves
- Stainless steel locking latches
- Lifetime warranty on canister
- Every light is tested to to 300 ft / 90m before it leaves the factory
To help select the right option for you, first decide which light head you require:
- 21W HID
- Fixed beam LED
Then choose your preferred battery & canister option:
- The Explorer line offers our latest exploration grade light with reinforced NiMH battery packs and “dry lid technology”.
- The Proteus series offers Halcyon quality at a lower entry price and features a lead acid battery pack.
Finally, choose the required burn time:
| Lighting System | Specifications | 12W LED | 21-Watt HID |
| Explorer 4.5 | 2.6” OD/11.63” L (6.6 cm OD / 29.5 cm L) Weight: 4 lb. (1.8kg) Buoyancy: -1.75 lb. (-.8 kg) |
N/A | 2 hours |
| Explorer 9 | 2.95” OD / 11.63” L (7.5 cm OD / 29.5 cm L) Weight: 5.76 lb (2.6 kg) Buoyancy: -2.8 lb (-1.3 kg) |
N/A | 4 hours |
| Explorer 13.5 | 3.68” OD / 11.63” L (9.3 cm OD / 29.5 cm L) Weight: 7.75 lb (3.5 kg) Buoyancy: -3.2 lb (-1.5 kg) |
N/A | 6 hours |
| EOS 4.5 | 2.6” OD/11.63” L (6.6 cm OD / 29.5 cm L) Weight: 4 lb. (1.8kg) Buoyancy: -1.75 lb. (-.8 kg |
5 hours | N/A |
| EOS 9 | 2.95” OD / 11.63” L (7.5 cm OD / 29.5 cm L) Weight: 5.76 lb (2.6 kg) Buoyancy: -2.8 lb (-1.3 kg) |
10 hours | N/A |
| EOS 13.5 | 3.68” OD / 11.63” L (9.3 cm OD / 29.5 cm L) Weight: 7.75 lb (3.5 kg) Buoyancy: -3.2 lb (-1.5 kg) |
14 hours | N/A |
| Proteus 3 | 3.4” OD/8.75” L (8.6 cm OD / 22.2 cm L) Weight: 4.25 lb. (1.9 kg) Buoyancy: -2 lb. (-1 kg) |
10W HID-2 hours | N/A |
