Monoculars are compact optical devices that allow you to see distant objects clearly using just one lens. They are similar to binoculars but are designed for one eye, making them lightweight and easy to carry. Monoculars are great for activities like hiking, birdwatching, or attending sports events, as they provide a magnified view of the surroundings without the bulk of a larger device. These handy tools work by using a series of lenses to focus light and magnify images. Many monoculars also come with features like waterproof designs and night vision capabilities, making them versatile for various outdoor adventures.