High Powered Binoculars, Childom 10X50 Ultra HD Powered Magnification Professional Bird Watching Binoculars telescope Waterproof and Fogproof for Hiking,outdoor, travelling, sightseeing, hunting, etc

Specifications: Magnification : 10 X Object Lens Diameter: 50MM ANGLE : 2.9° Eye Relief : 16.5MM Exit Pupil : 5MM Prism: Bak-4 Weight : 720G Volume : 195X60X155mm Tripod Adapter : Yes Waterproof: No CAUTION! Do not view the sun with this binocular or even with the naked eyes. Viewing the sun can cause permanent eye damage. BAK4 glass, is considered the best type of prism material. It has a high refractive index and lower critical angle than other materials, which means it transmits light better with less peripheral light being lost due to internal reflection. How to Use Your Binocular: a. Open your right eye and close your left eye. Rotating the right eyepiece until the object sighted is sharp and clear. b. Close your right eye and sight an object with your left eye. Focus the binocular by rotating the center focus wheel until the image is sharp and clear. c. Both sides(eyes) are now in focus and you will need to use only the center focus wheel to focus on the other objects. Package Include: 1* Telescope 1* Sling 1* Mirror cloth Package Size: 22cm x 8cm x 20cm (8.7in x 3.3in x 7.8in)