Both are relatively light for 3500 lumen projectors with the 1810 weighing in at just 2.9-kg (6.39-pounds).
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The PJ430V adds a 13-lumen projector with HDMI input, for displaying content from a variety of external sources.
Orcasub comes outfitted with sonar for collision avoidance, a digital long-range communications system and a 60, 000 lumen LED lighting rig.
We go on staring, Lumen-like, into the farthest reaches of the cosmos.
But where they broke, you could see the odd star, shining brighter than most Manhattanites have ever seen them from their lumen-soaked island.
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One, the Lange 1 Lumen, incorporated light-saving cells for nighttime decadence.
Operators can also hold the switch down to run the flashlight in low mode, producing a 50 lumen light beam and a longer 12 hour runtime.
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By pressing the switch once, the light operates in high mode to produce a full power 130 lumen light beam with a long 4 hour runtime.
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Take a look at the 25, 000-lumen D4K2560 in action in our eyes-on video after the break -- it looks incredibly sharp and vibrant, despite the reduced brightness output.
He found that the conventionally measured nominal price of light, metered in dollars per lumen per watt, rose by a factor of three to five between 1800 and 1992.
Unveiled on the NAB show floor, the 35, 000-lumen and 25, 000-lumen models display extremely crisp and bright images -- big-budget car commercials and surfing footage basically pop off the screen.
Vast swaths of it are given over to explanations of how Lumen, having died, has become a being of pure soul who is able to witness events in the past.
In her letter, Ms Ruane warned Lumen Christi College and 40 primary schools in the Londonderry area that her department will not pay for the tests or any legal action.
Dexter was the avenger who took them down, and Lumen (oy, that name) devolved from an idiosyncratic individual into a saintly rebound, there to redeem Dexter not least in the eyes of the audience.
With major countries promoting LED lighting, LED lumen efficiency has been improving and the LED lighting prices have come down over the years, making it an affordable alternative and marking a shift from traditional (incandescent and fluorescent) options to LEDs.
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