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

This could be controlled by looking away from ... or the Night Fox Cub digital night vision monocular for a compact,budget-friendly option. We put every instrument through a rigorous review ...

such as not looking directly at the sun or other bright objects and being stationary when using them. It's a good idea to keep the other eye open when using a monocular in low light levels to help ...