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Marinebeam LED Lighting

Marinebeam Ultra Long Range CREE RLT Illuminator


Marinebeam Ultra Long Range CREE RLT Illuminator

Normally ships in 3-5 business days
Maximum Purchase:
3 unit(s)

Product Description


This is the same lamp recently reviewed and recommended in Sail Magazine, , National Fisherman Magazine, the January 2015 issue of Boating Magazine, Steve Dashew's SetSail Tech Blog, and the French sailing magazine Voiles & Voiliers.   If you have any doubts about the performance of this light, please also read the unsolicited customer reviews, or take us up on our 100% satisfaction guarantee.  You will love the Marinebeam Illuminator.

While this looks like an ordinary LED flashlight, it is really Marinebeam's new and patented Ultra Long Range LED Illuminator Spotlight, which has a 4° beam and an ANSI-FL1 rated usable range distance of over 650 meters.  If you have recently seen the ads on TV and Facebook about LED Flashlights that have military technology, or claim some super amount of lumens, they are truly toys compared to this light.

This ultra-collimated beam illuminator is made specifically as a handheld searchlight for spotting buoys, channel markers, crab pots, etc, at night.  It is also useful for search and rescue, and for attracting attention of rescue personnel, aircraft, etc. The best part is that it lasts up to 12-hours, and there are no expensive or unreliable batteries - just 3 standard D-cells.  If you have used portable Q-beam™ type spotlights on-board, you know that in order to use one effectively you have to send someone up to the bow to deploy it. They really aren't practical to quickly use from the cockpit, because all of the spillover light is reflected back into your eyes and destroys your night vision.  This light beam is super collimated, and has no spillover light, so it is easily and quickly deployed from the cockpit, and doesn't reflect back and ruin your night vision.

It uses a remarkable patented invention called Recycled Light Technology (RLT), which is a simple, cost-effective way to dramatically increase the brightness and efficiency of standard LEDs.  It uses a passive component technology that increases the useable light output of its Cree LED by over 2.0 times.  It does so by collecting the high-angle spill-over light that would normally be wasted, and redirects this light back onto the emitter surface. This re-excites the LED phosphor generating more light, further collimating it, and directing it down range.  The usable LED light output is significantly boosted by the RLT, with no additional LED input power required and no change in LED lifetime.  No other flashlight can do this.  This candela compounding is only possible with RLT. 

Notice that nowhere in this description, or in the specs, will you find any outrageous lumen claims.  That is because the long-range illuminator and its Wavien RLT technology uses its efficiency to gain beam distance, not just battery draining power.  In fact, the best part of the technology is that the power consumption and lumen output of this lamp does not need to be unnecessarily high, because the lumen-density (Candela) is off the charts.  So, DO NOT just use our lumen figures to understand this lamp's output or its long range illumination capabilities.  As a point of reference, the Streamlight Stinger HPL, which is a high-end long-range LED flashlight, with a specialized long-range reflector, has an efficiency of 64 Candela/Lumen.  By contrast, the Marinebeam Long-Range Illuminator has an efficiency of 166 Candela/Lumen, so it can make two-and-a-half times more brightness with much less power, meaning more battery life.  The typical LED flashlight has about 50° of wasted spill over light, while the Marinebeam Illuminator flashlight has no spill-over light whatsoever.  By redirecting and recycling all of the normally wasted light energy, we can throw all of the beam energy down range.  

The Illuminator not only benefits from a lack of wasted spill-over light, but also from it's ultra narrow 4° beam angle, which produces a defined spot which is only about 60 feet in diameter at 300+ yards. It is a true spot light.

For a further detailed explanation of how this light beats all other LED flashlights, read our How RLT Works document, our watch the detailed 10 minute video below.

The best analogy to understand how we can make more brightness with less power is a laser beam. Handheld lasers have incredible distance capabilities, even when using very, very low power (tenths of a Watt). This is also true of Marinebeam's illuminator.  We can get an ANSI/FL1 beam distance of over 650 Meters and a very compact spot size, with only 600 lumens. The spot is so precise and well defined that when it is shined upon a wall, you will actual see an image of the LED chip itself projected.  The perimeter of the spot is a perfectly crisp line, and all of the light inside the spot is high energy light, and there are no halos, rings, or dark spots like you would find on a typical searchlight.  This image, and its intensity, are not just the result of a collimating aspherical lens, but rather a result of the the RLT optic recycling and boosting the entire amount of spillover light and presenting it to the lens. 

The ANSI/NEMA FL1 Standard defines the "maximum beam distance" as the distance (in meters) at which the light will land 0.25 lux of illuminance.   So, that is the equivalent light, at 670 meters, of a full moon in an open field on a clear night.  It is calculated by taking the square root of the peak candela divided by 0.25. 

We have all seen long range beams, but imagine standing on the tee box of a long Par 5 at your local golf course, on the darkest night, and being able to illuminate the green and the pin with a just this handheld LED light!  The light hitting the pin 600+ yards away would also be enough to take a nice clear picture or video of it with your cell phone camera.  Now imagine that you can keep it illuminated for 8 to12 hours with the standard off-the-shelf D cell batteries.  That is possible with this Illuminator. 

The Marinebeam Ultra Long Range LED Illuminator is tough and impact-resistant, with a rugged aluminum casing, which resists rust and corrosion.  It also features a long lasting Cree XML2 LED made by Cree USA, a world leader in LED technology.

  • Ultra Long Range
  • Ultra Narrow Beam
  • Only 600 Lumens, but over 100,000 Candela
  • 670 Meter ANSI specified FL1 Beam Distance on High Beam
  • 12 Hour Run Time (High), 120 Hours (Low)
  • High, Low & Strobe function
  • Batteries: 3 D (included)
  • Diameter: 2.6”
  • Length: 12.5 “
  • Weight 3.1 Lbs.

For those techies that really want to understand flashlight "throughput", the 10 minute video below goes into the throughput problems of traditional flashlights and explains how the patented RLT technology works inside our flashlight to solve the problem and get the maximum amount of light out of the minimum amount of lumens.

We 100% guarantee that this is the best battery powered handheld LED spotlight available, or we will buy it back - no questions asked.

Why D-Cells?

We don't know about you, but when we reach for a flashlight on board, we want it to work.   Rechargeables are great, but can take a long time to charge, typically have less capacity, and are more expensive to keep multiple spares around.  Our experience is that rechargeables don't seem to have the shelf-life we've come to expect from beefy and readily available D-cells.   Li-Ion batteries are also now difficult and expensive to ship, and can be dangerous to charge aboard in hot climes.


*Dr. Kenneth Li patented the RLT technology. Dr. Li holds a BSEE from California Institute of Technology. Dr. Li is an American scientist who completed his MSEE and PhD in quantum electronics from Northwestern University and University of California, Berkeley respectively.  He also completed his EMBA at the University of California, Los Angeles.  Dr. Li has held various senior positions in TRW Technology Research Center, PCO, Inc. (Joint venture of Corning and IBM), and Hewlett Packard, where he was responsible for the development and manufacturing of lasers, LEDs, and photodetectors for fiber optic communication. 


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