【High Magnification】10X magnification power with 50mm objective lenses for clear and detailed long-distance viewing. 【Multi-Coated Optics】Wide-band multi-layer coating enhances light transmission and image clarity across the entire field of view. 【Wide Field of View】8° field angle at 1000m provides a broad observational range, ideal for outdoor activities and nature watching. 【Comfortable Viewing】15mm eye relief and 4.2mm exit pupil diameter ensure comfortable extended use and easy target acquisition. 【Waterproof Design】Daily water-resistant construction protects against light rain and moisture, suitable for various outdoor conditions. 【Compact and Portable】Measuring 18cm x 19cm x 6.5cm and weighing 698g, these binoculars are easy to carry and handle in the field. Specifications: Model: 158 Magnification: 10X Objective Lens Diameter: 50mm Eyepiece Diameter: 19mm Coating: Multi-layer wide-band coating Field of View: 8° at 1000m Eye Relief: 15mm Exit Pupil Diameter: 4.2mm Close Focus Distance: 5m Waterproof: Daily water-resistant Product Weight: 698g Product Dimensions: 18cm x 19cm x 6.5cm