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If you are out at night driving or walking on trail and are interested in seeing wildlife at night, blue-green or dimmable white light will provide the best visual acuity and imaging to the human eye.
With trichromatic vision in humans, we have 3 type of cones (sensitive to blue, green, red light), and rods which are for low light vision and produce a gray scale. The main reason we see better at low light or for night visibility is that rods are most sensitive to a specific color frequency in our visible light spectrum – blue-green light.I completely understand how the human eye can adjust to very low light conditions over time, but if you want to “see” more detail at night, with better acuity, including color, use a blue-green light source or a low intensity white light source.
But.. your light is really cool looking on top of your cab!
Red light may not allow you to see as well as white, but it will allow you to see better than in the dark AND not wreck your night vision.This is why it is commonly used by Astronomers to read charts at night. It allows you to check your charts and immediately go back to the telescope without any degraded night vision. If you are driving around at night with your headlights off, and needed to spot something I could see its utility...Sent from my D5803 using Tapatalk
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