Features : Widely used for racing, beach, bird watching, boating or yacht boating, horse racing, hunting, outdoor activities, sports, theater, travel Made of durable and high-quality material, also suitable for harsh conditions. Strong, ultra-compact and ultra-light. High-quality optics ensure a high-quality view. HD Monocular: with BAK4 prism lens for clearer and more colorful scenery. Technical data: Type: Monocular Telescope Material: optical glass Objective diameter: 40mm Magnification: 10x300 Eyepiece diameter: 12mm Exit pupil diameter: 4.2-1.7 mm Eye relief: 14-12mm Field of view: 0.5-3000m Minimum focus distance: 2.5 m Size: 192 or 117x32mm (stretching and shrinking) Prism: BAK4 prism Coating: FMC Black colour Eye mask: rotating eye mask Waterproof: Yes Tripod connection: support Telephone connection: support - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Package includes: 1 x set of monocular telescope Warm Tips: Due to the different monitor and lighting effects, the actual color of the item may be slightly different from the color shown in the pictures. In case of quality problems, the first thing you can do is contact the customer service department. We will provide satisfactory service.