Bird-watchers, hunters and amateur astronomers are just a few of the people who use binoculars. Before you go looking for a pair of binoculars you need to sit down and decide what you will be using your new binoculars for.
Some are better optically while others excel in cost. Many people prefer to carry binoculars around freely, rather than in a case. For some people, astronomy will be a fun hobby, but for some dedicated people, they soon pick up the drive, and buy a telescope which is suited for astronomy and looking at objects in the night sky.
So a pair of binoculars that has the number 7x30 stamped onto the casing is a binocular that will magnify any object to seven times its actual size, and has a lens size of 30mm. Binocular lens protectors drive water off the lens surface of both objective lenses and eyepieces, helping eliminate glare caused by water droplets. Monoculars meant as a toy for children have magnifications of only three or four times and they are very cheap.
Capturing as much of that as possible is good as it means all the available light is getting to where you want it. Binoculars are easy to operate and allow viewers to concentrate fully on looking up into the sky.
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