From magnification to letting in enough light at night, here's how to choose the perfect monocular for stargazing and astronomy.

Despite weighing about half what a pair of binoculars can, is a monocular a good substitute for stargazing and astronomy? Which is better for watching the night sky, a monocular or binoculars?

The Nightra night vision monocular is just such as gadget, and promises to reveal "every detail in vivid, full color." Pitched at nocturnal wildlife watchers and outdoor enthusiasts who are drawn ...