8x20 High Power Monocular - Featuring 8X magnification and 20mm object lens diameter, this handheld monocular can help you see distant target clearly.Multi-layer Coated Optics Lens - With 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 Distance - The 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 Applications - This monocular for adults is perfect for most of outdoor activities, such as bird watching, wildlife viewing, sports events watching, hiking, concert and more.Magnification Times:8XLens:20mmObjective Lens Diameter:20mmEyepiece Thread:16mmWeight:51g/1.8ozColour:As ShownMaterial:Optical glass+ABSPackage Contents:1 * Monocular telescope1 * Lens cleaning cloth1 * Desiccant1 * Lens rope1 * English user manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.