Explore the world with the JiaSifu 40x60 High Definition Monocular Telescope, a compact and versatile tool designed for a range of applications from birding to hunting, and even for general purpose viewing. Its objective lens diameter of more than 35 mm ensures a clear and bright image, while the Porro prism optical design offers a traditional look and feel with modern performance. The monocular is equipped with a zoom lens for closer inspection of distant objects and is waterproof, making it a durable companion for all your outdoor adventures. The sleek black finish complements its functionality, providing a stylish yet sturdy instrument for astronomy, military observation, or simply enjoying the marvels of nature.