Features: 8x20 High Power MonocularFeaturing 8X magnification and 20mm object lens diameter, this handheld monocular can help you see distant target clearly. Multi-layer Coated Optics LensWith fully multi-coated optical lens and BAK4 prisms, the monocular guarantees superior light transmission and brightness, ensuring the image you view as bright and sharp as possible. Crosshair Ranging for Estimating DistanceThe monocular supports crosshair ranging method. You can observe the position of a target object relative to the crosshairs in the telescope to calculate the distance between the observer and the target. Ultra-Portable Weighing just 51g and standing at 78mm tall, this single tube telescope is the perfect travel companion, providing powerful magnification without the added weight. Wide ApplicationsThis monocular for adults is perfect for most of outdoor activities, such as bird watching, wildlife viewing, sports events watching, hiking, concert and more. Specifications: Material: Optical Glass + ABS Magnification Times: 8X Lens: 20mm Objective Lens Diameter: 20mm Eyepiece Thread: 16mm Weight: 51g/ 1.8oz Package List: 1 * Monocular 1 * Lanyard 1 * Carry Bag 1 * Cleaning Cloth 1 * Users Manual(English)