8x21 binoculars

Magnification: 8 times
Caliber: 21 mm
Field of view: 6°
Field of view: 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