Previously available only to military personnel, night vision devices can now be obtained by you and me for personal, commercial or industrial use. These devices can be classified as goggles, scopes and cameras and all are used to heighten vividness or spectral range in a dark environment.
* Night vision devices
These devices empower the users to see in darkness. A good night vision device will let you see a person standing 183 meters away from you. The device makes use of image enhancement technology which gathers low levels of light which magnifies the image for easy observation. Another night vision device technology is the thermal imaging which makes use of thermal radiation to create an image from the dark and can distinguish images in the course of rain, smoke or fog.
* Infrared night vision technology
Another innovation of these devices comes from the use of the infrared technology. What used to be a dark image to the general eye is transformed to monochrome images and is of high resolution making it more visible. This infrared tool is preferred by those who use security applications in their home or offices and these are not normally used in military use.
*Common types of night vision devices available in stores
*Goggles are handheld night vision devices which can be the two eye pieces or the binocular or the single lens type. It is ideal for continuous viewing and can be carried from one place to another when moving.
*Scopes are monocular and can also be handheld or mounted. It the perfect device if you want to obtain an improved image of a individual object.
**Cameras with the night vision technology are ideal for security surveillance of your home or office
*Night vision binocular/monocle features
Many of these apparatus have switches to change between the infrared light and the inert enlargement of the existing luminosity of the area. Presume intense expenditure of battery if the night vision device is used with infrared tools, so it is advisable to have a charger and extra batteries with you.
These devices have come a long way since they were strictly military issue. We also benefit from its application; it helps common people like us during camping or hunting. It also assists professionals during a wildlife exploration as well as those in the law enforcement and security agencies to observe any transgression and concealed material.