BRIGENIUS 8x21 Compact Binoculars for Concert Theater Opera Small Lightweight Mini Pocket Folding Binoculars for Outdoor Sports Games and Concerts Travel Hiking Bird Watching Adults Kids

The BRIGENIUS 8X21 Compact Lightweight binoculars Perfect for the whole family member, adults, kids, concerts, theater, opera, plays, shows, travel, hiking, camping, sport events , bird watching , as well as other outdoor recreations ADVANTAGES 1,Made with FMC multi-layer broadband green film, increasing light transmission for brighter and higher-contrast images; 2,EASY TO FOCUS I, Close your right eye and sight an object with your left eye, rotating the center focus wheel until the image is sharp and clear. II, Open your right eye and close your left eye. Rotating the right eyepiece until the object sighted is sharp and clear. III, Both sides(eyes) are now in focus and you will need to use only the center focus wheel to focus on the other objects. 3, Lightweight as the phone 4,Lightweight as the phone 5,Pocket Size binoculars-Perfect for take around anywhere--opera, concerts, theater, shows, traveling, safari, birding, wildlife, walking, climbing,any other outdoor recreations. Specifications Magnification: 8 X Objective diameter: 21mm Eyepiece diameter:13mm Angle of field: 6 degree View of field: 369 ft/1,000Yds&131m/1000m Exit pupil diameter: 5.2mm Eye relief: 16mm Mini focus length: 2m Prism: BK7 Coated: Multi FCM green optical coated Focus system: Center focus Package List: 1x Binoculars 1x Carrying bag 1x Cleaning Cloth 1x Straps