| Understanding Night Vision Scopes- Tech Talk | | | | office security. They have also become very popular |
| How Night Vision Riflescopes Work | | | | with hunters and fisherman, as well as people who are |
| In today's world almost everyone knows what | | | | doing research on animal wildlife viewing at night. |
| riflescopes are used for, however, Night Vision | | | | These are normal for a 1st generation Night Vision |
| Riflescopes have a kind of mystery about them. | | | | Device. |
| People have seen them used in movies and TV, but | | | | The 2nd generation is used more for people of law |
| how many people actually have though about how | | | | enforcement or more professional people. Because |
| they work. | | | | the 2nd generation uses more short parallel glass |
| As stated above the tubes gather whatever type of | | | | tubes, makes it much more expensive than a first |
| light that it can and transforms them into electrons | | | | generation. However, it does make the target much |
| which amplified and back through a chemical and | | | | sharper and brighter. |
| electron process. This process is seen as a green hue | | | | A 3rd generation Night Vision Device can cost much |
| through the eyepiece. Today there are 3 generations | | | | more than the other two put together, because a |
| of Night Vision Devises, however, the first generation is | | | | chemical is added to produce a much clear image. The |
| the most currently used, and is still the most popular. | | | | distance that you can see is measured by what you |
| Disadvantages | | | | want to see. If you are wanting to just see if |
| When you first turn on the devise you will hear a low | | | | something is moving in the distance, without knowing |
| whining sound; even though this is normal it can be a | | | | what it really is, means that you can see farther away; |
| nuisance for people that need absolute quite. Another | | | | however if you want to see what it is that is moving |
| thing that is somewhat of a disadvantage is that the | | | | will limit your range. This is called a detection range. |
| edges of the target may be blurry around the edges. | | | | For sportsmen there are all sorts of different |
| This is called Geometric Distortion. Another thing is that | | | | riflescopes and other Night Vision Devices that can be |
| after you turn the device off it will still have a green | | | | purchased at your local sporting or hunting shop, |
| glow for a few minutes. | | | | however if you would like a much greater selection, |
| Uses | | | | you may want to do research on the internet, you will |
| Although they were manufactured primarily for the | | | | find a much wider range of brands to choose from. |
| military, the have become very popular with home and | | | | |