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 MrLedSled
 |  | Red Filters
< on 1/6/2012 1:15 AM >
|  | | | Just a little tip that has helped me in the past. Putting a red filter on your flashlight will allow you to retain your night vision if equipment failure, security, junkies or any other unforeseen factor causes you to suddenly go dark.
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\/adder
    
Location: DunkarooLand
Gender: Male
I'm the worst of the best but I'm in this race.
| |  | Re: Red Filters
<Reply # 1 on 1/6/2012 1:23 AM >
| | | | And it is less obtrusive (and visible) to human eyes.
There's this awesome stuff they sell called tail light repair tape:
It makes any light red, and it comes in pretty handy if you crack a tail light too. I have three or four rolls of it kicking around.
"No risk, no reward, no fun."
"Go all the way or walk away"
escensi omnis... |
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MrLedSled
| | Re: Red Filters
<Reply # 2 on 1/6/2012 2:11 AM >
| | | | Yep that's the stuff. I know it well from the days of driving crap cars.
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Vectored Approach
 
Location: Morgan Hill, CA
Gender: Male
| | Re: Red Filters
<Reply # 3 on 1/6/2012 7:09 AM >
| | | | I prefer flashlights converted to operate on red LEDs. You're burning less battery to produce white light and filter out 60% of it, and getting more illumination.
Honesty may be the best policy, but it's important to remember that apparently, by elimination, dishonesty is the second-best policy. -George Carlin (1937 - 2008) |
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MrLedSled
| | Re: Red Filters
<Reply # 5 on 1/6/2012 11:10 PM >
| | | | I have had success using the red lens tape on LED flashlights as well. What can I say McGuyver is my hero.
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\/adder
Location: DunkarooLand
Gender: Male
I'm the worst of the best but I'm in this race.
| | | Re: Red Filters
<Reply # 6 on 1/7/2012 3:30 AM >
| | | | Posted by Vectored Approach
I prefer flashlights converted to operate on red LEDs. You're burning less battery to produce white light and filter out 60% of it, and getting more illumination.
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Yeah but I don't always want red light, and it works well to quickly red light up an entire group who doesn't have them.
"No risk, no reward, no fun."
"Go all the way or walk away"
escensi omnis... |
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AnAppleSnail
Location: Charlotte, NC
Gender: Male
ALL the flashlights!
| |  | | Re: Red Filters
<Reply # 7 on 1/7/2012 2:06 PM >
| | | | My experience with red LEDs is that they are not ideal for night vision. Proper light use with a dim white light works far better for me while creeping around in the dark than any red LED I've ever used.
Red LEDs emit a narrow slice of wavelength around 625-650nm. I have normal color vision, but with red LED, I cannot see:
Color
Condition of flooring
Fine detail
Depth
In my experience, missing these details is more dangerous to me than walking in the dark and feeling my way around.
Filtered white incandescent light does better, as it contains a broader section of the spectrum. But most people with red tacticool lights use them poorly. Read up on light discipline.
If someone is looking for you, do not use light.
Do not ever shine your light towards the horizon, as the emitting bulb is extremely visible even at long range. Tactical ninja red LEDs are visible as color signal devices out past a mile, if the other guy has line of sight to the LED.
Move slowly, use natural light everywhere but where you are forced to use the dimmest light possible.
tl;dr, if you want to get a purpose-made sneaking light, get an LED with 'moonlight mode,' and cover it with your hand most of the time. If you have to retrofit a light, that red tape works well - but turn it on in a dark field and notice how easy it is to see the light anytime it's on.
Achievement Unlocked
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SuchundFind
Location: San Antonio, Texas
Gender: Male
| | Re: Red Filters
<Reply # 8 on 1/7/2012 4:38 PM >
| | | | If I think someone is near me, I have a night vision monocular I use to scan the area.
Besides this dim white light is better most of the times. I also have of course some red light on ny helmet light, when I see someone that shouldn't see me, I switch to dark mode, wait until he or she walks away and go on.
Dimmed light is what I use in general, unless there is an emergency, I have some powerful lights with me all the time.
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