A monocular is a compact version of a telescope. It's a great buy if you are looking to get a slightly better view of things when traveling or at a sports event. They are handy and portable and can be easily stowed away in your backpack. You could use one on your way to work or during lunch break to spot birds or other objects of interest. They could be your perfect companion on your weekend getaway. This buying guide will help you to choose the best monocular from the several models available on the market.