The Halcyon Photon delivers impressive brightness in a compact, dependable design. With its narrow 9° beam, it performs beautifully as a primary or backup light for night, recreational, and technical dives.
Dual power modes, flexible battery setups, and a simple twist-on activation make the Photon easy to use in any environment. Its aircraft-grade aluminum body, triple O-rings, and tempered glass lens ensure long-lasting performance.
Photon Specs:
- Battery options:
- 2× Li-ion 26650 (optional):
- High 1200 lm ≈ 3.5 hrs
- Low 550 lm ≈ 7 hrs
- 3× Alkaline C (included):
- High 850 lm ≈ 3 hrs 20 min
- Low 550 lm ≈ 5.5 hrs
- Dimensions:
Length: 21 cm / 8.27 in
Head width: 5 cm / 1.97 in
Body width: 3.5 cm / 1.38 in
Compact Power, Built for Any Dive








