Magnification:8 x, Lens System Features:Aspherical lens, Features:Rubber coating, Field Of View:140 m / 1000 m, Min Focus Distance:5 m, Objective Lens Diameter:42 mm, Lens Coating:Multicoated, Focus Adjustment:Manual, Exit Pupil:5.3 mm, Max View Angle:8 degree(s), Relative Brightness:28.1, Eye Width Range:56-72 mm, Prism System:Porro, Eye Relief:12 mm, Focus System:Center focus
Durability and a large objective lens for the great outdoors
Aspherical eyepiece lens eliminates image distortion even at the lens periphery
Multilayer-coated lenses for bright images
Turn-and-slide rubber eyecups facilitate easy positioning of eyes at the correct eyepoint
Rubber armour for shock-resistence and a firm, comfortable grip
invalid amazon response: probably request to amazon api was dropped!.