Binoculars are listed by size spec, where the first number is magnification and the second is objective lens diameter.

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 ...

Binoculars are clearly the greatest invention ever bestowed upon the naturalists of the world. Before binoculars, our knowledge of many birds was vague to nonexistent. Now anyone can pluck distant ...

The lunar terminator, the sunset/sunrise line that sweeps across the Moon’s surface as the Moon orbits Earth, travels at a rate of 9.6 mph (15.4 km/h) along our satellite’s equator. Taking the average ...

Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

Some softness as you move to the edges of the view. I started bird-watching around the age of 0. That’s what happens when your parents are birders. I started using binoculars by age 5, an ancient pair ...

Celestron is a trusted name in optical equipment, especially binoculars, for their high quality, superior performance and competitive prices. Because of the vast array of uses, from birding to ...

Spring means it’s time to look up into our night sky and find one of the oldest objects in our galaxy: the M3 Cluster. NASA and other sky experts call this group of ancient stars “a truly distant ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. I’m the world’s only “eclipse journalist.” For the very ...

Get the Celestron TrailSeeker 8x42 for their best price in over a year — a fantastic pair of binoculars for skywatching on the go. When you purchase through links on our site, we may earn an affiliate ...

There’s a point where optics stop using binoculars as handheld tools and become more of an instrument of strategy. That ...