Reddit reviews Orion 5756 DualBeam LED Astronomy Flashlight
We found 2 Reddit comments about Orion 5756 DualBeam LED Astronomy Flashlight. Here are the top ones, ranked by their Reddit score.
Two flashlights for the price of one! Multipurpose astronomy flashlight lets you choose red light or white light with the flip of a switchRed light preserves dark-adapted night vision while providing helpful illumination; white light aids while packing up your equipment when brighter light is neededBrightness wheel sets the desired intensity of either red or white light from dim to brightRuns on one replaceable 9-volt alkaline battery (included)
That's not correct, I'm afraid. I'll leave the value of google searches up to your interperetation, but the consensus on visibility I saw was in the green-yellow spectrum, due to being the inverse colours to that of human corneas.
As to eye strain - higher wavelength colours put more strain (not damage, pedantically speaking) on your eyes, which is why people wishing to preserve their night vision use red lights
I use an Orion Dualbeam LED Flashlight, has both red and white LEDs and works great