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Aran
Location: Kansas City Gender: Male Total Likes: 1849 likes
Huh. I guess covid made me a trendsetter.
| | | Re: Seeing in the dark < Reply # 23 on 9/10/2014 1:50 AM > | Reply with Quote
| | | Posted by NotBatman 1.
Listen here, guy: If you're not using a red light AS an eyepatch, then I don't even know how to help you.
| We are the Borg. Prepare to be Assimilated. Resistance is futile. In all seriousness, I find that a eyepatch allows me to see without the discoloration of my vision that red lights cause. For example, most pirates DID wear eyepatches- when boarding ships. That way, they could fight on the bright deck and in the dark insides of their targets without waiting for their vision to adapt. Granted, you sacrifice some peripheral vision, as well as possibly some depth perception, but it's up to you. I find that red light doesn't shine as far or as bright as white light, and discolors my vision when I use it. However, I usually just wait for my eyes to adjust. I'm usually not in such a hurry that I can't wait 30 seconds, so I use neither red light nor eyepatches. Test it out in your own home to see what works for you- it's safe and allows for easy trial and error with minimal risk of harm. Ooh, I just had an idea to get around the drawbacks of an eyepatch! Monocle Sunglasses! All you need is a top hat and you can urbex like a sir!
| "Sorry, I didn't know I'm not supposed to be here," he said, knowing full well he wasn't supposed to be there. |
| alexcell33
Location: Long Island NY Gender: Male Total Likes: 19 likes
| | | Re: Seeing in the dark < Reply # 25 on 9/13/2014 4:12 AM > | Reply with Quote
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| Dee Ashley
Location: DFW, Texas Gender: Female Total Likes: 1378 likes
Write something and wait expectantly.
| | | | Re: Seeing in the dark < Reply # 37 on 5/25/2016 7:17 AM > | Reply with Quote
| | | I know this thread is pretty old, but I found it somewhat interesting and wanted to expand on what General Zod said about making your own colored light. This is really easy and cheap to do with flash gels. For a few bucks, you can get a variety of any colors you can think of at any local camera store or online. If I need colored light for night vision or for light painting a scene, I can simple use a rubber band or electrical tape to cover the head of my flashlight with it. These gels are simply thin sheets of colored plastic, easily replaceable, so you can add or subtract more as needed. They've come in handy for me many times. As a side note; if I'm using a red or green light on an explore, it's primarily because I'm trying to avoid my light giving away my presence in a location, particularly near windows and such, so an eye patch wouldn't really be very useful. Not to mention, I want both eyes available when I'm exploring dilapidated ruins with countless hidden dangers in the dark. It's risky enough with two eyes, so why add more potential issues?
| I wandered till the stars went dim. |
| DarkAngel
Gender: Male Total Likes: 275 likes
His operating system is unstable.
| | | Re: Seeing in the dark < Reply # 38 on 5/29/2016 10:10 PM > | Reply with Quote
| | | Posted by GreyMan From what I have read, it's more the intensity of light that matters. The human eye is supposed to be more sensitive to green than red, so you can use a lower intensity light if it's green than if you were trying to get the same ambient levels with a red light. I believe a lot of the armed forces worldwide are switching to green as well, for the same reason that you do not need as bright of a green light to see as you do a red.
| You read it right. It's also why the non phosphor tubed night vision gear is green tinted. Lower output but your eye sees it better regardless. I use red and green lights in daily use, and with the exact same light output, green looks twice as bright to the eye. Posted by Crashplan Does anyone know of any headlamps that include green light or is getting dim green light more in the DIY category?
| Princeton Tec, Streamlight, Petzl, Surefire, and a few other brands do lights with green options. IMO look for a surplus Streamlight Scorpion on Amazon. Should be ~$40 or so (usually only available in the US) but has a white, red, green, and IR module. Sometimes the IR is replaced by blue. The surefire helmet lights are great as well, and they do a nice green and white LED one. I set up a few of my baseball caps to have these lights on them. Personally, I carry a few different lights with different setups. Namely a Surefire helmet light with white and blue (I use it for hunting more often than not, but it is useful) a set of green lazerbrites (military battery powered glowsticks) and a Pentagonlight with screw in filters.
[last edit 5/29/2016 10:10 PM by DarkAngel - edited 1 times]
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| blackhawk This member has been banned. See the banlist for more information.
Location: Mission Control Total Likes: 3996 likes
UER newbie
| | | | Re: Seeing in the dark < Reply # 39 on 5/29/2016 10:47 PM > | Reply with Quote
| | | Posted by MYSTERY-IS-IN-THE-AIR Hey so I had a question about eyepatches. I know that using red lighting in dark areas doesn't disturb your eyes' adjustment to darker lighting once the light is turned off, but is it true that wearing an eyepatch is just as effective? My friend said that if you want to use a white light, all you need to do is wear an eyepatch when the light is on so that one eye will be adjusted to dark lighting and the other will be adjusted to the bright lighting which would be coming from the white light. Do you think it's a good idea to do this or should I just use a red light? Do you think that an eyepatch would disturb my depth perception?
| For maximum night vision it takes about 45 minutes in total darkness. Within the first 5 minutes most of the night vision adaptation occurs. Do not smoke within 12 hours; CO greatly reduces night vision. Since the rods are positioned around the cones in the center of the retina, looking directly at something in low light is useless. Do not stare off to the side either as starring can cause false perceptions of movement. Rather allow your eyes to slowly move along the area you are looking at. Cones and the optic processing of the brain detects movement more readily than patterns. Even so to spot patterns using the cones keep your eyes slowly moving. If you spot something of interest, look to the side of it, not directly at it. It's still better even than to keep your moving with a side to side movement in that specific area to view the target object. A trick I've used for decades is to close my dominate eye in brighter than ambient light until it passes. Therefor one eye is adjusted for darkness while still maintaining vision. It's second nature to me to close either eyelid especially when I get something in it like while driving and don't want to stop or simply to rest that eye. Rods are sensitive to all visible wavelengths Therefor any exposure temporarily damages night vision. Red versus Green Rods are sensitive to all visible light wavelengths but least to red. When viewing maps etc you need to use the cones to read. It makes more sense to use a green light source at the dimmer possible setting that permits viewing. Red light preserves the color vision of the cones however. Cones are relatively insensitive to it. http://www.astroma...embers/kniffen.htmhttp://midimagic.s...g.com/huvision.htm
[last edit 5/29/2016 11:15 PM by blackhawk - edited 1 times]
| Just when I thought I was out... they pulled me back in. |
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