The Ammonite Nautilus Focusable Light Head is Ammonite System's most versatile light head with up to 4000 lumens light output and an adjustable beam that can be focused from a narrow 9º to a wide 45º. Operational burn times range from 4 to 10 hours, depending on the battery used.
It has been built with the technical diver in mind for demanding conditions and is bright, durable, lightweight and reliable.
Ammonite System is modular
Due to the modular design concept, you can configure your umbilical light set regarding your needs.
All Ammonite umbilical lights, cables, batteries and heating batteries are equipped with the same chinch-type connector. So when one of the parts wears out, or you would want to upgrade it, there are no obstacles to doing so.
Modularity also affects the convenience of use and safety. For example, you can change the broken cable for a new one on the diving spot without sending it to the service centre.
Ammonite Nautilus Light Head burn times
Ammonite System Nautilus LED light head burn times vary depending on the battery you will be using and the power setting. The chart below is based on the 9, 10, 14 and 24Ah battery sets that can be purchased with the light head all-inclusive in the .
Nautilus is one of a kind
As an experienced diver, you know perfectly how it is difficult to find a bright, durable, lightweight dive light that works reliably in almost every condition.
The Ammonite Nautilus light head utilises the latest Cree CXB LED chip with a Fresnel lens that allows you to make the most out of the impressive 4000-lumen output. You can smoothly adjust the light beam to be as narrow as 9º or as wide as 45º.
Three light levels
LED Nautilus features three light levels BOOST, OPERATIONAL and BACK-UP, to preserve battery and adjust brightness levels to eliminate backscatter in murky water. The burn time of the light will depend on what level one has chosen.
Durable and compact
The smooth and compact design of the Ammonite Nautilus light head is perfectly balanced, making it easy to operate when in use with or without a Goodman Handle.
All these features are packed in relatively small housing that’s only 140mm long and 60mm in diameter. Yet, while exceptionally durable, the Nautilus light head weighs 415g and 150g underwater.
The Ammonite Nautilus light head is built from marine-grade aluminium alloy covered with a hard anode making it resistant to corrosion and mechanical scratches.
The 6mm front glass is made of highly fatigue-resistant tempered glass. The Nautilus light head has been extensively tested in use and can safely go down to a depth of 150m. Easy-to-operate switch knobs are made of lightweight but very tough and corrosion-resistant polymer (Delrin®).
Take me home mode
The inner microchip system signals a low battery level with a strobe flash. When the battery is drained, it automatically switches to take “Take me home” mode (light output at 20% light intensity).
"Take me home" is a backup mode to which Ammonite umbilical lights switch when the battery is drained. Light will continue operating for at least 1 hour or more depending on the light and used battery. Light will only work in "take me home" mode until the battery is recharged again.
