Add Yahoo as a preferred source to see more of our stories on Google. How do binoculars work: hiker using binoculars. In essence a handheld pair of little telescopes, binoculars are wonderful little ...

Night vision binoculars take what's already a clever bit of kit, a pair of binoculars, and add a whole other super power – the ability to see in the dark. For most of us, night vision is something ...