Prompted by a reader’s request, I went searching for the brightest flashlight powered by two AA batteries. The brightest I found is the 4Sevens Quark “X” AA² Tactical Flashlight which produces a remarkable 280 lumens on it’s max setting, and it measures just 5.8 inches in length.
The exact runtime specifications: [...]
Ultraviolet light is a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nanometers to 400 nanometers. LEDs that emit ultraviolet light were introduced in 2006, and there are now ultraviolet LED flashlights available. These flashlights are most often used to detect fraudulent documents, see watermarks, read invisible [...]
Aviators, astronomers, truck drivers, campers and anyone wanting to retain their night vision can benefit from LED flashlights with red or green light options.
Which is best, green or red light? Well, it’s the total brightness of the light that has the most significant effect on night vision retention, so you’ll want a light that allows [...]
LED Lanterns are perhaps the most useful portable lights — they can be used as camp lights, works lights, or emergency lights. The LEDs inside aren’t susceptible to shocks, and they last for 10 years or more.
The Joby GorillaTorch is a LED lamp mounted on three flexible legs. The legs can be wrapped around a nearly object in order to hold the GorillaTorch in place while you work. The end of each leg has a rubberized, magnetic foot — this means you can also stick the GorillaTorch to metal surfaces.
This attractive flashlight, the Xeno Cube, is machined from a cylinder of stainless steel. It is 4 inches long and weighs a hefty 6 ounces. It features a micro-textured aluminum reflector and a toughened mineral-glass lens.
Most enthusiasts and reviewers agree that Fenix flashlights have the best build-quality and reliability for their price. Streamlight, one of the few brands of flashlights made in the U.S.A, is highly rated by reviewers on Amazon. Other top rated brands are: Cree, Dorcy and
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