Archive for July, 2011


Military Night Vision Goggles


Although military night vision goggles are used by the army, navy and air forces in various different countries, today such equipment is also being used by many law enforcement agencies as well as safety personnel (fire fighters).

However people are also able to purchase night vision goggles for their own personal use but generally these do not have the same kind of specifications that you will find in military versions.

The reason why military night vision goggles have now become an expected part of modern warfare is that they allow the wearer to see images in the dark which cannot be viewed with just the naked eye. Also the military versions have a special feature in which they are able to focus the image that the wearer is seeing for each eye individually which means that they are able to maintain a depth of perception when viewing images at all times.

Although the military first used night vision devices during the Second World War, it was not until the Vietnam War that they became more widely used. Since then, the technology used to produce night vision googles has greatly evolved and there are now several different generations of night vision products to purchase.

Each new generation of night vision googles comes with much better performance capabilities and also the prices are becoming somewhat more affordable as well. However certainly for the top of the range military night vision goggles you will not expect to see these available in the market place any time soon.

Currently the NVG’s (night vision goggles) that the military are using today whether it be at home or whilst fighting in Iraq can either be helmet mounted or hand held. Normally the military use goggles known as passive ones.

These particular military night vision goggles will pick up any light immediately in the vicinity where they are located and them increase the amplification of the image several thousand times through utilizing an image intensifier.

The night vision goggles work using a photoelectric effect which is caused by photons colliding with a detector plate. When the photons hit the metal, it then produces electrons which are then amplified further causing more electrons to be produced that will then light up the screen in front of the wearer’s eyes.

In some cases all the wearer needs to illuminate their entire field of vision is a star high up in the sky. You will often see these kinds of devices being used to report on wars and the picture we often see on TV where these have been used is colored green.

The reason why most NVG’s use green is because the human eye is very sensitive and is able to discern most shades of green much better than any other color. Plus using green allows the wearers eyes to readjust to normal situations once removed much more quickly than they would find with any other color if they were used.

Ricky is a night vision goggles enthusiast. Visit his website today for more information on night vision goggles such as thermal night vision googles.

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How to Make Night Vision Goggles

Night vision goggles are optical instruments, which allow images to be produced in low levels of light, nearing night. These instruments are usually used by law enforcement and military agencies and but are also used by civilians. These devices are different from binoculars though often confused with them.

Here are some things that are required if you want to know how to make night vision goggles. The image intensifier tube was the invention, which made the invention of night vision devices, including goggles possible. The image intensifier is a tube that is able to convert photons in to electrons and is able to amplify even minute quantities of light making it possible to see in the darkness.

The mechanism of the tube is that when the light enters the objective lens, it strikes a photo cathode, which also carries an energy charge. This charge travels through the intensifier to convert photons into electrons and then strikes a phosphor screen on which the image gets illuminated. It is the function of the ocular lenses on the goggles to help in focusing on the images.

There is another type of night vision googles too, which uses thermal imaging to make night vision possible. This kind of night vision goggles use the heat of electro-magnetic radiation, which is emitted by most objects, be they living or non-living. Because of this, thermal imaging night vision goggles are able to use these heat signatures in order to display an image of the object.

These night vision devices win over the light intensifier night vision goggles because of the fact that they require no light at all to be made active and can therefore be used in places where there is no light such as in hazes and fogs.

Now that you know about the elements that go into night vision goggles, you can try and see how to make night vision goggles of your own!

Ricky highly recommends Bushnell night vision googles. Visit his night vision googles website for more information

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Article by Nicole Roberts

Many individuals are interested in purchasing night vision scopes for hunting. If you enjoy the great outdoors during the evening and night hours and enjoy actively hunting for deer, hogs, coyotes and other nocturnal creatures, it is important to incorporate night vision scopes into your hunting gear. Many different types of animals and predators are considered to be highly active at night because of the fact that they are searching for food for survival. In addition to this, many people do not like hunting at night due to the risks that are involved. As a result, you have a better opportunity to find the animals that you want. If you elect to use night vision scopes for hunting, you are further advancing your odds for successfully capturing the animals that you are hunting for. In this guide, you will learn how to shop for night vision scopes for hunting activities.

How does Night Vision Work?

If you are interested in purchasing nightvision scopes, it is important that you have a good understanding of how nightvision works. There are many different types of scopes available on the market today, but two basic forms of technology are typically used in the scopes. The first technology is referred to as "Image Enhancement" and the second type is referred to as "Thermal Imaging". If the first type of technology is used, it means that the scope collects small amounts of light that are present in the environment - even if they cannot be seen by the human eye - and then amplifies it so that the user is able to see their surroundings clearly. If the second type of technology is used, it means that the scope takes light that is emitted from surrounding heated objects and transmits that heat into light. When purchasing night vision scopes for hunting, both of these technologies are appropriate.

Choosing Night Vision Scopes

If you are in the process of choosing night vision scopes for hunting, it is important to understand that there are many factors that should be considered prior to making a selection. First, you must determine exactly how the scope will be used. While you know that you will use the scope in order to hunt animals, you must consider whether or not the scope will serve as your primary source of light or primary means of seeing the environment around you. If so, you will want to ensure that it has a strong field of vision. If not, you may opt for a lower field of vision. It is also important to choose how far you would like to be able to see around you when using night vision scopes for hunting. This will allow you to choose the right amount of magnification. It is also important to choose what type of clarity that you prefer. Nightvision scopes may provide you with a huge advantage when hunting at night. By following the tips highlighted in this guide, you will be able to narrow your search among night vision scopes for hunting and will be able to choose a product that best suits your individual needs.

Welcome to HighCountryOptics, inside you will discover an amazing selection of low priced and excellent quality night vision scopes for hunting.










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