Binoculars 8x21, Small Compact Lightweight Binoculars for Concert Theater Opera, Mini Pocket Folding Binoculars for Adults Kids Bird Watching Traveling Sightseeing (6 & 369 ft/1,000Yds View of field)

Fdclife Real 8x Binoculars, all-optical glass, objective wide-band green film, eyepiece blue film. The imaging effect is very clear and the workmanship is exquisite Easy to use 1. Close your right eye and sight an object with your left eye, rotating the center focus wheel until the image is sharp and clear. 2. Open your right eye and close your left eye. Rotating the right eyepiece until the object sighted is sharp and clear. 3. Both sides(eyes) are now in focus and you will need to use only the center focus wheel to focus on the other objects. Specification Model: 8X21 Magnification: 8 x Caliber: 21 mm Field of view: 6 (369 ft/1,000Yds or 131m / 1000m) Prism system: ridge Prism material: BK7 Focusing system: central focus, right eye fine adjustment Outlet diameter: 5.2 mm Exit distance: 16.0 mm Near focal length: 2 m Optical coating: objective lens FMC green film eyepiece FMC blue film Waterproof performance: waterproof Width: length 90x wide (expand 100 to fold 60) x thickness 35mm Net weight: 180 g Complete set includes 8X21 Binoculars, mirror cloth, backpack, lanyard, cognac, brochure, color box