Basic parameters 10 times of actual rate Objective aperture: 25mm technical parameter Size 10x25 Field of view angle 6.9 degrees Line field of view 90 / 1000M Prism class bak7 Resolution 8.6“ Focus mode: Center handwheel focus, right eyepiece fine adjustment. Accessories desiccant, lifting rope, waist bag, manual, mirror cloth, packing color box characteristic 1. Increase the transparency of the concave glass by using one-piece achromatic film 2. The connecting part of the two lens tubes, i.e. the supporting plate, is metal (not easily deformed by external force; it has little influence on the ambient temperature) 3. The objective lens adopts a convex and concave genuine optical glass, and the adhesive coating adopts antireflective blue film (increasing transmittance, eliminating chromatic aberration and reducing astigmatism) to ensure that the above three points are absolutely true 4 all metal mirror body, wrapped with thick rubber, feel good, more grade! Uses: travel, outdoor sports, watching concerts, etc., as you see Size: 16 * 52 Weight: 240g Width: 52mm Diameter: 52mm Focusing mode: object diameter + eyepiece double adjustment Visual length: 66m-8000m Waterproof type: Waterproof Color: Black Length: 150 mm Eyepiece diameter: 22mm Field of view: 22 degrees Material: bak4 This telescope is not an all night vision telescope. It is a low light level night vision device. features: Multi layer coated optical elements ensure excellent light transmission and brightness This product has the function of focusing One handed operation Powerful, ultra compact, ultra light Objective: the diameter of an objective or front lens. The larger the objective, the more light goes into the binocular and the brighter the image Size: 40 * 60 Magnification: 40 times Field of vision: 500M / 9500m, 1500m / 9500m Visual field: 6.4 degrees Eyepiece diameter: 20 mm Objective diameter: 42mm Monocular size: 160 x 50 mm Prism type: bak4 Weight: 360g Color: Black The package includes: 1 x 40x60 monocular telescope 1 cleaning cloth 1 x sling 1 English user manual