Night Monocular and Night Binoculars

I have a night vision monocular that works on infrared principle. when I'm in the dark room, changing the film in my camera, I'm naturally having a tough time because it's dark and want to use my monocular. But, I'm concerned. Is infrared going to burn my film? Anyone?

It depends. I use an IR goggle headset in my darkroom. Its wavelength is 1060nm, well into the far infrared. The films I use are standard panchromatic films, which are insensitive above about 700 or so, very safely short of any kind of infrared. I never have a problem.
Having said that, prolonged exposure to 1060 would undoubtedly have some effect, probably an overall background density. Films are ultimately sensitive to just about all radiation of exposed for a long enough time. But the kind of weak, temporary exposure associated with normal darkroom film handling under weak 1060nm IR has little risk.
Your biggest problem is going to be trying to use a monocular, which magnifies. Everything close to you, on your counter for instance, will probably be badly out of focus and very hard to see.

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I was just curious because when I'm out in the countryside and take along a nightvision monocular and look up at the stars I can see a lot more than with the naked eye. I've also seen some (what seems to be) pretty weird stuff when doing it.

I had an astronomy teacher who said that the night vision would be overwhelmed with the amount of infra-red light the telescope would pick up, but I'm not sure I neccessarily believe him. Does it work, or can you make it work with some kind of modification?

You can do it, but with a telescope it doesn't buy you as much.

The purpose of an image intensifier is to make dim thing brighter. That's also the primary purpose of the telescope's objective lens (or mirror). But the image intensifier has a big drawback: the image is lower resolution than you can get with your eye. Pinpoints of light widen out into blobs with the intensifier. In the telescope, pinpoints remain pinpoints, so you can see much more detail in the telescope alone than you can with the intensifier.

For that reason, not many people use an image intensifier with a telescope. But there are a few applications where fine detail is not needed and greater brightness is important, like searching for supernovae in distant galaxies. Some amateurs in those pursuits have used intensifiers to good effect.

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I already have the night vision goggles. I just want to either buy or create my own headset. my monocular didn't come with one.

Just be careful u don't misuse it or your life can get very miserable once u get caught! Spend the money on a digital camera with video and audio capability and u can make $$$ taking videos of family and pets. Super safe hobby which makes u rich!

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ebay

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does anyone out there know of a sight that sells a good night vision monocular that isnt over $150?

Check this place out, they have great prices, and I do business with them regularly for both business and personal use.

http://www.digitaldealz.net/index.php?cPath=20_44

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Im a police officer looking for a reasonably priced night vision monocular for surv. …let me know what would be good to use and also im purchasing for myself but i wanna get the best model for cheapest….so what kind of models have you guys used and what was your reaction?

not to shoot you down but if you work in a city it probably won't do you a lot of good due to light pollution.what that means is that if there are street lights or any other lighting in the area all you are going to see is blinding light.they(night vision devices) are not very effective in an urban environment.however the do very well in the rural because of the lack of artificial lighting.
if you do purchase a devise be sure to get something that is gen 3 or better less than that and you will have trouble ID-ing things.i have worked extensively with the an/pvs-7(biocular) and an/pvs -14(monocular) and i know both work great.my preferance is the an/pvs-14 because it allows you to gage distance a little better.night vision devices don't allow any depth persepsion so haveing one eye with out it helps,especially when driving.

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Cheap, reliable, good magnification, and illumintaion…. anything come to mind?

look at cheaperthandirt.com

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I am having a little trouble seeing street signs and distant stores marquees at night. (I am living in a new area and don't know my way around). I am wondering if a small night vision monocular would help me see the signs, or does it making reading more difficult? Should I get a simple magnifying monocular instead?

Most consumer NV devices don't offer much magnification (2-3x) and since they are usually Generation I, the resolution isn't all that clear, either.

You'd be better served with glasses or a standard pair of good binoculars/field glasses. The other problem with NVG in urban areas is that you can fry them and your eyes (temporarily) if you look at a bright light source, like a lighted sign, streetlight, etc. Newer, higher Gen models have circuitry to protect from this, but they run $500-1000.

They are just not practical for what you're looking for, but a good Ophthalmologist may have an idea or two if you have trouble seeing at night.

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!!!Urgent — Help!!!
My son had ORTHOKERATOLOGY night only Contact LENS (made by C&E GP Specialist) from Jan. 2001 to June 2007. He discontinued such ORTHOK lens on June 13, 2007 and suffers from the double vision (Monocular diplopia) especially the right eye. He has visited three doctors since June 16, 2007. and they told the reporter that after discontinued ORTHK lens, the status of his eye will be reverse in 1-2 weeks or several months. But after four full month of discontinued ORTHK lens, his double vision (Monocular diplopia) especially the right eye is progressive.
One post on FDA web site is similar to our case. That post link is http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfMAUDE/Detail.CFM?MDRFOI__ID=274073. My son and parents worry about it very much and also he is suffering. I am trying to find the explanation/solution to this Monocular diplopia.
Thanks a lot.

Ortho K lenses create deliberate pressure on the cornea overnight, encouraging (forcing?) it to adopt a shape nearer to that required for zero refractive error.

It's always seemed to me like trying to change your shoe size by deliberately wearing shoes that are too small, but I admit to being old-fashioned and sceptical.

Time is going to be the principle healer here.
If the monocular diplopia is due to a local distortion of the cornea, as seems likely, then almost instant relief from the optical effects should be obtainable by the use of a rigid gas permeable contact lens in the day-time.
The drawbacks of this would be cost, as the lens might need refitting at fairly short intervals as the cornea changed shape, and slowing the final stabilisation of the cornea, as the cornea would be operating with the normal contact lens induced reduction in oxygen supply.

The optical benefit might outweigh the above. If stability or comfort is a problem, lenses do exist with a rigid centre and a soft skirt, but they are far from cheap.

The above is only general advice as much would depend on the actual measurements (topography) and condition of the cornea.

I've seen distorted corneas from badly fitting or overworn ordinary GP lenses that took six months to show a stable Rx after discontinuing their use, sometime requiring new spectacle lenses every month. But that was near the worst-case limit. Usually 1-3 months sufficed.

Optometrist, retired.

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I'm buying a night vision monocular that has a light gain of 500. Is this good for a Generation 1 night vision device.
I live in a large city. So there's alot of ambient light. Would this help at all?

That indicates a 500 times magnification. Generation 1 is quite old now, so you are getting something left over. If the price is right and you have the ambient light available, it might work for you. As a comparative, my 3rd generation night vision runs 20,000 times magnification. Overall, I wouldnt bother with a 500, but this just my humble opinion. I hope this helps you.

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