This binocular telescope has a 50mm large aperture objective lens with sufficient light input, providing first-class brightness and clarity. It has various functions and is designed for landscape viewing, surveying and mapping, environmental forestry, and outdoor activities. It can also be used for watching stage plays, concerts, sports matches, etc. This product's lens adopts FMC multi-layer coating design, with realistic imaging colors and small color differences, which can effectively control glare and ghosting; It is also equipped with practical functions such as mechanical compass for measuring direction and measuring distance with a slide rule. Prisms play a very important role in the optical structure of telescopes. In this model, a BAK4 prism with a higher refractive index is used, which provides better imaging effects and better viewing comfort for you. It adopts high-quality and durable rubber protective skin on the outside, with anti slip texture, providing a more comfortable grip. There is also an internally sealed waterproof design that can cope with various harsh environments and effectively extend its service life. The camera viewing area is designed with foldable eye masks, suitable for users wearing glasses and those not wearing glasses; The bottom is equipped with a bracket interface, which makes the imaging more stable when fixed on the bracket; The design of the straps makes it more convenient to carry when going out.