Tag Archives: night vision

More on the Subject of Night Vision

Here is a post from Ed on the Subject of Night Vision

Howard

If you’ve ever had to find your way out of a large building after the power goes out you can appreciate the value of having at least a small light with you as Every Day Carry (EDC). A tiny LED on your zipper pull or key ring beats nothing. The point is to always have SOMETHING.  I have Fenix EO1 single-AAA cell LED lights on the zipper pulls of all outer garments, and carry one on my key ring all the time. (I have one of these in my pocket, Howard) These are inexpensive enough that you can buy multiples and stash them everywhere, your key ring, in personal first aid or survival kits, etc.…

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What Color Light Should You use at Night to Protect Your Night Vision

For as long as I can remember, I have been told to use red lights at night to protect my night vision.  This has been used by the military since before WW2.  Recently, the US military has changed from red to green.  Part of the reason for the militaries change is the use of night vision equipment.  However, as it turns out, green light or blue-green offers some advantages over red as a means to retain night vision capability.

The biggest factor in protecting your night vision is the brightness, or illumination level of the light.  This has a more significant effect on night vision retention than does the choice of red or green.  …

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Night Vision and Sounds

 

Most of us know our area quite well in the daytime.  But when was the last time you walked around your neighborhood in the pitch dark?  Everything looks different when you are using your night vision.  It is easy to fall or trip over something.  I know my yard well, but I have been spending some time outside at night and it is amazing how much it changes.

That rake you left laying in the yard becomes a hazard.  Shadows and noises are different.  Sound seems to carry further.  As you spent time outside you will become accustomed to the night sounds and movements. …

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Learn How to Use Your Own Built In Night Vision

Using your own two eyes.

I see articles all the time about how important night vision devices are and I agree.  The problem for most of us is the cost to get a really good set.  Plus there are always problems with breakage and batteries. So what happens when they break or are just not available?  You can increase your natural ability to see at night by applying the following four principals of night vision.

1. Dark adaptation: Before going outside at night, keep out of all light for at least one half hour.  This will let your eyes become accustomed to the dark. …

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Posted in Operational Secrecy, self defense, Self sufficiency, survival | Tagged , , | 10 Comments