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[U160]Used Night Vision Goggles

by Ricky Lim, Ric

Ferranti International are renowned for making night vision goggles for the British Military. The most well known pair of Ferranti night vision goggles available today are the Nite-Op NVGS. These particular goggles are a more advanced version of their ANVIS night vision goggles which the British military used to rely on.

In fact the design of the Nite-Op is basically the same as the ANVIS although they have a much craggier mounting system and they provide the user with a wider field of viewing. Plus the lenses on these night vision goggles are much wider in terms of the diameter which provides the wearer with a lot more comfort when being worn.

Actually, all types of night vision goggles are very similar in that they will all contain certain components in them. The main components that you will find in any type of night vision goggles are as follows:-

1. Image Intensifier
2. Objective Lens System
3. Eye Lens System

But although all night vision googles contain these 3 main components within their manufacture, how they are created and then engineered will result in a difference in how effective the goggles really are. Although they are most commonly used to help a person improve their viewing capabilities at night they are now being used in helping with search and retrieval tasks.

When looking for a good quality pair of night vision goggles whether it be a pair of Ferranti night vision goggles or a pair made by another manufacturer such as Bushnell it is important that you learn as much about them as possible.

Certainly once you start reading up on the various models available you will find a lot of sites offering a short description along with a list of the various features that each model has to offer the wearer. By learning more about the various features on each model you will be better able to understand their capabilities and what the quality of the images are like. Therefore it is best to take your time learning as much as you can about each model prior to make any final decisions on which pair it is you wish to purchase.

Panoramic night vision goggles now offer all combat pilots with a 95 degree field of vision compared to the more traditional versions offering only a 40 degree field of vision. All of these goggles use 4 x 16mm image intensifier tubes whereas more traditional night vision googles only have 2 x 18mm tubes.

The great thing about these panoramic night vision goggles for combat pilots is that they are able to improve their overall awareness of the situation that they are in. Plus they are much safer as they actual double the amount of area in front of them that they are able to view so allowing them to be able perform almost the same kind of tactics that they would use in the daytime at night. This in turn results in much better tracking and targeting capabilities than they had previously.

Another feature that is particularly unique to panoramic night vision goggles is known sometimes as auto gating. What this means is that whilst been worn, the wearer is protected from any kind of temporary loss of vision or it becoming impaired because of sudden flashes of bright light occurring. Normally such bright flashes may have been caused by a flaring going off. Each of the 4 tubes in the panoramic night vision goggles contain the auto gating feature so each tube if it should become exposed to any bright light source will then automatically reduce how much the wearer is able to see (gain) by blocking it out.

But because this feature works independently in each tube then if one of the tubes is required to go into auto gating mode the other tubes will continue to operate in the normal way that is unless they are also exposed to the same bright light as well. By having this feature within the tubes this now means that the combat pilot is able to retain good visual of all around them at all times which makes them more aware of the situation in which they are in.

Although panoramic night vision goggles are extremely effective as they are at present, the manufacturers of these particular goggles are always looking for ways to upgrade and enhance them further. At some stage they hope to produce a pair which also includes sensor fusion technology. This kind of technology will use both night vision and image intensifying technology along with an infrared sensor technology as well. Such goggles will be commonly referred to as ?Enhanced Night Vision Goggles? or ENVG's and there are some that are already using such technology in theirs. In fact ITT Industries have partnered up with Raytheon in order to develop such goggles.

Article Source : Advantages Of Assistive Technology

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Both Ricky Lim & Ricky Lee are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.

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