| Being able to see at night is a valuable asset for | | | | what's already there and concentrate it to make the |
| animals, since the night can be extremely deadly. Many | | | | image brighter. This suggests that you don't lose color |
| animals can see in the dark, while humans have | | | | vision, as you would with electronic spectrum-widening |
| comparatively puny night vision. The reason being | | | | night vision devices. The drawbacks to using such |
| because of physical differences between human eyes | | | | massive lenses are the bulk and weight of these |
| and that of other animals. Man has sought for ways to | | | | devices. Thus, they are best used when mounted on a |
| improve his night vision, and night binoculars are fruits | | | | tripod, or from some static position. |
| of his labor. | | | | These optical tools can use light from the moon and |
| There are two basic approaches to night vision : | | | | stars, or perhaps synthetic light sources far from the |
| increase the range of detectable wavelengths on the | | | | topic of observation. Night binoculars are also superb |
| electromagnetic range, or intensify what is already | | | | for hunting trips. Compared to the green-colored or |
| there. Essentially , it's a choice of whether to see more | | | | monochrome photographs from other night vision |
| categories of light or use what's there and make it | | | | devices, night binoculars let you see in full color, |
| stronger. Night binoculars employ the second approach, | | | | meaning you can identify night targets by their |
| and rely on ambient light. | | | | coloration and more. Don't forget to care well for the |
| Because of the optical nature of its workings, night | | | | lenses, though, as they are rather massive and so |
| binoculars do not need power sources. They only use | | | | subject to abrasions. |